Kendrick Lamar performs at the Brit Awards at the O2 Arena in London, Britain, February 21, 2018. REUTERS/Hannah McKay 

Kendrick Lamar performs at the Brit Awards at the O2 Arena in London, Britain, February 21, 2018. REUTERS/Hannah McKay 

Kendrick Lamar performs at the Brit Awards at the O2 Arena in London, Britain, February 21, 2018. REUTERS/Hannah McKay 

Kendrick Lamar performs at the Brit Awards at the O2 Arena in London, Britain, February 21, 2018. REUTERS/Hannah McKay 

Kendrick Lamar performs at the Brit Awards at the O2 Arena in London, Britain, February 21, 2018. REUTERS/Hannah McKay 

Kendrick Lamar performs at the Brit Awards at the O2 Arena in London, Britain, February 21, 2018. REUTERS/Hannah McKay 

Kendrick Lamar performs at the Brit Awards at the O2 Arena in London, Britain, February 21, 2018. REUTERS/Hannah McKay 

Kendrick Lamar performs at the Brit Awards at the O2 Arena in London, Britain, February 21, 2018. REUTERS/Hannah McKay 

A performer takes part in Kendrick Lamar performance at the Brit Awards at the O2 Arena in London, Britain, February 21, 2018. REUTERS/Hannah McKay 

Kendrick Lamar performs at the Brit Awards at the O2 Arena in London, Britain, February 21, 2018. REUTERS/Hannah McKay 

Kendrick Lamar accepts the award for international solo male artist at the Brit Awards at the O2 Arena in London, Britain, February 21, 2018. REUTERS/Hannah McKay 

Kendrick Lamar accepts the award for international solo male artist at the Brit Awards at the O2 Arena in London, Britain, February 21, 2018. REUTERS/Hannah McKay 

Kendrick Lamar accepts the award for international solo male artist at the Brit Awards at the O2 Arena in London, Britain, February 21, 2018. REUTERS/Hannah McKay 

Kendrick Lamar accepts the award for international solo male artist at the Brit Awards at the O2 Arena in London, Britain, February 21, 2018. REUTERS/Hannah McKay 

Shell Oil U.S. President Marvin Odum (L), BP America Inc. President and Chairman H. Lamar McKay (C) and ConocoPhillips CEO and Chairman James Mulva leave after
testifying at a Senate Finance Committee hearing on oil and gas tax incentives and rising energy prices on Capitol Hill in Washington May 12, 2011. REUTERS/Kevin Lamarque (UNITED STATES - Tags: ENERGY BUSINESS POLITICS) 

Shell Oil U.S. President Marvin Odum (L) and BP America Inc. President and Chairman H. Lamar McKay shake hands after testifying at a Senate Finance Committee hearing on oil and gas tax incentives and rising energy prices on Capitol Hill in Washington May 12, 2011. REUTERS/Kevin Lamarque (UNITED STATES - Tags: ENERGY BUSINESS POLITICS) 

BP America Inc. President and Chairman H. Lamar McKay (L) and ConocoPhillips CEO and Chairman James Mulva listen during a Senate Finance Committee hearing on Oil and Gas Tax Incentives and Rising Energy Prices on Capitol Hill in Washington May 12, 2011. REUTERS/Kevin Lamarque (UNITED STATES - Tags: ENERGY BUSINESS POLITICS) 

Top Oil & Gas Industry Executives listen to remarks as they testify at a Senate Finance Committee hearing on Oil and Gas Tax Incentives and Rising Energy Prices on Capitol Hill in Washington May 12, 2011. From left, they are: Chevron CEO and Chairman John Watson, Shell Oil U.S. President Marvin Odum, BP America Inc. President and Chairman H. Lamar McKay, ConocoPhillips CEO and Chairman James Mulva and Exxon Mobil CEO and Chairman Rex Tillerson .

REUTERS/Kevin Lamarque (UNITED STATES - Tags: ENERGY) 

BP America Inc. President and Chairman H. Lamar McKay (L) and ConocoPhillips CEO and Chairman James Mulva listen during a Senate Finance Committee hearing on Oil and Gas Tax Incentives and Rising Energy Prices on Capitol Hill in Washington May 12, 2011. REUTERS/Kevin Lamarque (UNITED STATES - Tags: ENERGY BUSINESS POLITICS) 

Top Oil & Gas Industry Executives listen to remarks as they testify at a Senate Finance Committee hearing on Oil and Gas Tax Incentives and Rising Energy Prices on Capitol Hill in Washington May 12, 2011. From left, they are: Shell Oil U.S. President Marvin Odum, BP America Inc. President and Chairman H. Lamar McKay, ConocoPhillips CEO and Chairman James Mulva and Exxon Mobil CEO and Chairman Rex Tillerson .

REUTERS/Kevin Lamarque (UNITED STATES - Tags: ENERGY POLITICS BUSINESS) 

BP America Inc. President and Chairman H. Lamar McKay speaks as he and other top oil and gas industry executives testify during a Senate Finance Committee hearing on Oil and Gas Tax Incentives and Rising Energy Prices on Capitol Hill in Washington May 12, 2011. REUTERS/Kevin Lamarque (UNITED STATES - Tags: ENERGY POLITICS BUSINESS) 

BP America Inc. President and Chairman H. Lamar McKay (C) listens as ConocoPhillips CEO and Chairman James Mulva (L) speaks at a Senate Finance Committee hearing on Oil and Gas Tax Incentives and Rising Energy Prices on Capitol Hill in Washington May 12, 2011. At right is Exxon Mobil CEO and Chairman Rex Tillerson. REUTERS/Kevin Lamarque (UNITED STATES - Tags: ENERGY POLITICS BUSINESS) 

Top Oil & Gas Industry Executives testify at a Senate Finance Committee hearing on Oil and Gas Tax Incentives and Rising Energy Prices on Capitol Hill in Washington May 12, 2011. From left, they are: Chevron CEO and Chairman John Watson, Shell Oil U.S. President Marvin Odum, BP America Inc. President and Chairman H. Lamar McKay and ConocoPhillips CEO and Chairman James Mulva.
REUTERS/Kevin Lamarque (UNITED STATES - Tags: ENERGY POLITICS BUSINESS) 

Top oil and gas industry executives testify during a Senate Finance Committee hearing on "Oil and Gas Tax Incentives and Rising Energy Prices on Capitol Hill" in Washington May 12, 2011. Seated (L-R) are Chevron CEO and Chairman John Watson, Shell Oil U.S. President Marvin Odum, BP America Inc. President and Chairman H. Lamar McKay and ConocoPhillips CEO and Chairman James Mulva. REUTERS/Kevin Lamarque (UNITED STATES - Tags: ENERGY POLITICS BUSINESS) 

Top oil and gas industry executives testify during a Senate Finance Committee hearing on "Oil and Gas Tax Incentives and Rising Energy Prices" on Capitol Hill in Washington May 12, 2011. Seated (L-R) are Chevron CEO and Chairman John Watson, Shell Oil U.S. President Marvin Odum, BP America Inc. President and Chairman H. Lamar McKay, ConocoPhillips CEO and Chairman James Mulva and Exxon Mobil CEO and Chairman Rex Tillerson .

REUTERS/Kevin Lamarque (UNITED STATES - Tags: ENERGY BUSINESS POLITICS) 

Top oil and gas industry executives testify during a Senate Finance Committee hearing on "Oil and Gas Tax Incentives and Rising Energy Prices" on Capitol Hill in Washington May 12, 2011. Seated (L-R) are: Chevron CEO and Chairman John Watson, Shell Oil U.S. President Marvin Odum, BP America Inc. President and Chairman H. Lamar McKay, ConocoPhillips CEO and Chairman James Mulva and Exxon Mobile CEO and Chairman Rex Tillerson .

REUTERS/Kevin Lamarque (UNITED STATES - Tags: ENERGY BUSINESS POLITICS) 

Top Oil & Gas Industry Executives testify during a Senate Finance Committee hearing on "Oil and Gas Tax Incentives and Rising Energy Prices" on Capitol Hill in Washington May 12, 2011. From left are Chevron CEO and Chairman John Watson, Shell Oil U.S. President Marvin Odum, BP America Inc., President and Chairman H. Lamar McKay, ConocoPhillips CEO and Chairman James Mulva and ExxonMobil CEO and Chairman Rex Tillerson.

REUTERS/Kevin Lamarque (UNITED STATES - Tags: ENERGY POLITICS BUSINESS) 

BP Chairman Carl-Henric Svanberg (R), CEO Tony Hayward (L), Managing Director Bob Dudley (2nd L) and BP America Inc. Chairman Lamar McKay speak to the media after their meeting with U.S. President Barack Obama at the White House in Washington, June 16, 2010. REUTERS/Jim Young (UNITED STATES - Tags: POLITICS ENVIRONMENT DISASTER BUSINESS) 

BP Chairman Carl-Henric Svanberg (R), CEO Tony Hayward (L), Managing Director Bob Dudley (2nd L) and BP America Inc. Chairman Lamar McKay leave the White House after their meeting with U.S. President Barack Obama in Washington, June 16, 2010. REUTERS/Jim Young (UNITED STATES - Tags: POLITICS BUSINESS ENVIRONMENT DISASTER) 

BP CEO Tony Hayward (C), Managing Director Bob Dudley (R) and BP America Inc. Chairman Lamar McKay leave after their meeting with U.S. President Barack Obama at the White House in Washington, June 16, 2010. REUTERS/Jim Young (UNITED STATES - Tags: BUSINESS DISASTER POLITICS ENVIRONMENT) 

BP Chairman Carl-Henric Svanberg (R) , CEO Tony Hayward (L), Managing Director Bob Dudley (2nd R) and BP America Inc. Chairman Lamar McKay leave the White House after their meeting with U.S. President Barack Obama in Washington, June 16, 2010. REUTERS/Jim Young (UNITED STATES - Tags: POLITICS BUSINESS) 

BP Chairman Carl-Henric Svanberg (R), CEO Tony Hayward (L), Managing Director Bob Dudley (2nd L) and BP America Inc. Chairman Lamar McKay speak to the media after their meeting with U.S. President Barack Obama at the White House in Washington, June 16, 2010. REUTERS/Jim Young (UNITED STATES - Tags: POLITICS BUSINESS IMAGES OF THE DAY) 

BP Chairman Carl-Henric Svanberg (R), CEO Tony Hayward (L), Managing Director Bob Dudley (2nd L) and BP America Inc. Chairman Lamar McKay leave the White House after their meeting with U.S. President Barack Obama in Washington, June 16, 2010. REUTERS/Jim Young (UNITED STATES - Tags: POLITICS BUSINESS) 

BP Chairman Carl-Henric Svanberg (R), CEO Tony Hayward (L), Managing Director Bob Dudley (2nd L) and BP America Inc. Chairman Lamar McKay leave the White House after their meeting with U.S. President Barack Obama in Washington, June 16, 2010. REUTERS/Jim Young (UNITED STATES - Tags: POLITICS BUSINESS) 

BP CEO Tony Hayward (front C), BP America Inc President and Chairman Lamar McKay (2nd R) and Chairman Carl-Henric Svanberg (back 2nd L) arrive at a side entrance to the White House before their meeting with U.S. President Barack Obama in Washington, June 16, 2010. REUTERS/Jason Reed (UNITED STATES - Tags: POLITICS BUSINESS ENERGY DISASTER) 

BP CEO Tony Hayward (3rd L) and BP America Inc President and Chairman Lamar McKay (R) and Chairman Lamar McKay and Chairman Carl-Henric Svanbergarrive walk up a side entrance to the White House before their meeting with U.S. President Barack Obama in Washington, June 16, 2010. REUTERS/Jason Reed (UNITED STATES - Tags: POLITICS BUSINESS DISASTER ENERGY) 

BP CEO Tony Hayward (L) and BP America Inc President and Chairman Lamar McKay arrive at a side entrance to the White House before their meeting with U.S. President Barack Obama in Washington, June 16, 2010. REUTERS/Jason Reed (UNITED STATES - Tags: POLITICS BUSINESS DISASTER ENERGY) 

BP CEO Tony Hayward (L) and BP America Inc President and Chairman Lamar McKay arrive at a side entrance to the White House before their meeting with U.S. President Barack Obama in Washington, June 16, 2010. REUTERS/Jason Reed (UNITED STATES - Tags: POLITICS BUSINESS DISASTER ENERGY) 

BP CEO Tony Hayward (L) and BP America Inc President and Chairman Lamar McKay arrive at a side entrance to the White House before their meeting with U.S. President Barack Obama in Washington, June 16, 2010. REUTERS/Jason Reed (UNITED STATES - Tags: POLITICS BUSINESS DISASTER ENERGY) 

BP CEO Tony Hayward (L) and BP America Inc President and Chairman Lamar McKay arrive at a side entrance to the White House before their meeting with U.S. President Barack Obama in Washington, June 16, 2010. REUTERS/Jason Reed (UNITED STATES - Tags: POLITICS BUSINESS DISASTER ENERGY) 

BP (Front L-R) CEO Tony Hayward, BP America Inc President and Chairman Lamar McKay and Chairman Carl-Henric Svanberg arrive at a side entrance to the White House before their meeting with U.S. President Barack Obama in Washington, June 16, 2010. REUTERS/Jason Reed (UNITED STATES - Tags: POLITICS DISASTER ENERGY BUSINESS) 

BP America Inc. Chairman Lamar McKay arrives for a meeting with U.S. President Barack Obama at the White House in Washington, June 16, 2010. Obama will confront BP on Wednesday with a demand that it set aside billions to pay damages from the Gulf of Mexico oil disaster. REUTERS/Jim Young (UNITED STATES - Tags: POLITICS BUSINESS ENERGY DISASTER) 

BP CEO Tony Hayward (L) and BP America Inc. Chairman Lamar McKay arrive for a meeting with U.S. President Barack Obama at the White House in Washington, June 16, 2010. Obama will confront BP on Wednesday with a demand that it set aside billions to pay damages from the Gulf of Mexico oil disaster. REUTERS/Jim Young (UNITED STATES - Tags: POLITICS DISASTER ENERGY BUSINESS) 

Protestors trail BP America President and Chairman Lamar McKay (L) as he is escorted out after testimony on the BP Deepwater Horizon oil spill in the Gulf of Mexico during a House Energy and Commerce hearing on Capitol Hill in Washington, June 15, 2010. REUTERS/Jonathan Ernst (UNITED STATES - Tags: POLITICS ENERGY ENVIRONMENT BUSINESS IMAGES OF THE DAY) 

BP America President and Chairman Lamar McKay (2nd R) departs after testimony on the BP Deepwater Horizon oil spill in the Gulf of Mexico during a House Energy and Commerce hearing on Capitol Hill in Washington, June 15, 2010. REUTERS/Jonathan Ernst (UNITED STATES - Tags: POLITICS ENERGY ENVIRONMENT BUSINESS) 

BP America President and Chairman Lamar McKay walks to his car after testimony on the BP Deepwater Horizon oil spill in the Gulf of Mexico during a House Energy and Commerce hearing on Capitol Hill in Washington, June 15, 2010. REUTERS/Jonathan Ernst (UNITED STATES - Tags: POLITICS ENERGY ENVIRONMENT BUSINESS) 

Oil company executives, (L-R) ConocoPhillips Chairman and CEO James Mulva, Shell Oil Company President Marvin Odum and BP America Inc President and Chairman Lamar McKay are seen after they testify on the BP oil spill in the Gulf of Mexico during a House Energy and Commerce hearing on Capitol Hill in Washington, June 15, 2010. REUTERS/Larry Downing (UNITED STATES - Tags: POLITICS ENVIRONMENT BUSINESS IMAGES OF THE DAY) 

BP America President and Chairman Lamar McKay (2nd R) is escorted out after testimony on the BP Deepwater Horizon oil spill in the Gulf of Mexico during a House Energy and Commerce hearing on Capitol Hill in Washington June 15, 2010. REUTERS/Jonathan Ernst (UNITED STATES - Tags: POLITICS ENERGY ENVIRONMENT BUSINESS) 

BP America Inc President and Chairman Lamar McKay testifies on the BP oil spill in the Gulf of Mexico during a House Energy and Commerce hearing on Capitol Hill in Washington, June 15, 2010. REUTERS/Larry Downing (UNITED STATES - Tags: POLITICS BUSINESS) 

BP America President and Chairman Lamar McKay (R) testifies about efforts to cap the BP Deepwater Horizon oil spill in the Gulf of Mexico during a House Energy and Commerce hearing on Capitol Hill in Washington, June 15, 2010. Also testifying is Shell Oil Company President Marvin Odum (L). REUTERS/Jonathan Ernst (UNITED STATES - Tags: POLITICS ENERGY ENVIRONMENT BUSINESS) 

BP America President and Chairman Lamar McKay listens during testimony on the BP Deepwater Horizon oil spill in the Gulf of Mexico during a House Energy and Commerce hearing on Capitol Hill in Washington, June 15, 2010. REUTERS/Jonathan Ernst (UNITED STATES - Tags: POLITICS ENERGY ENVIRONMENT BUSINESS) 

Shell Oil Company President Marvin Odum (L) and BP America President and Chairman Lamar McKay (R) testify on the BP Deepwater Horizon oil spill in the Gulf of Mexico during a House Energy and Commerce hearing on Capitol Hill in Washington June 15, 2010. REUTERS/Jonathan Ernst (UNITED STATES - Tags: POLITICS ENERGY ENVIRONMENT BUSINESS) 

BP America President and Chairman Lamar McKay speaks during testimony on the BP Deepwater Horizon oil spill in the Gulf of Mexico during a House Energy and Commerce hearing on Capitol Hill in Washington, June 15, 2010. REUTERS/Jonathan Ernst (UNITED STATES - Tags: POLITICS ENERGY ENVIRONMENT BUSINESS) 

BP America President and Chairman Lamar McKay takes a drink of water during testimony on the BP Deepwater Horizon oil spill in the Gulf of Mexico during a House Energy and Commerce hearing on Capitol Hill in Washington, June 15, 2010. REUTERS/Jonathan Ernst (UNITED STATES - Tags: POLITICS ENERGY ENVIRONMENT BUSINESS) 

BP America President and Chairman Lamar McKay tries to remember a figure during testimony on the BP Deepwater Horizon oil spill in the Gulf of Mexico during a House Energy and Commerce hearing on Capitol Hill in Washington, June 15, 2010. REUTERS/Jonathan Ernst (UNITED STATES - Tags: POLITICS ENERGY ENVIRONMENT BUSINESS IMAGES OF THE DAY) 

BP America President and Chairman Lamar McKay makes a point during testimony on the BP Deepwater Horizon oil spill in the Gulf of Mexico during a House Energy and Commerce hearing on Capitol Hill in Washington, June 15, 2010. REUTERS/Jonathan Ernst (UNITED STATES - Tags: POLITICS ENERGY ENVIRONMENT BUSINESS IMAGES OF THE DAY) 

BP America President and Chairman Lamar McKay wipes his mouth during testimony on the BP Deepwater Horizon oil spill in the Gulf of Mexico during a House Energy and Commerce hearing on Capitol Hill in Washington, June 15, 2010. REUTERS/Jonathan Ernst (UNITED STATES - Tags: POLITICS ENERGY ENVIRONMENT) 

Oil company executives (L-R) ExxonMobil Chairman and CEO Rex Tillerson, Chevron Chairman and CEO John Watson, ConocoPhillips Chairman and CEO James Mulva, Shell Oil Company President Marvin Odum and BP America Inc President and Chairman Lamar McKay testify on the BP oil spill in the Gulf of Mexico during a House Energy and Commerce hearing on Capitol Hill in Washington, June 15, 2010. REUTERS/Larry Downing (UNITED STATES - Tags: POLITICS ENVIRONMENT ENERGY BUSINESS) 

Oil company executives (L-R) ExxonMobil Chairman and CEO Rex Tillerson, Chevron Chairman and CEO John Watson, ConocoPhillips Chairman and CEO James Mulva (hidden), Shell Oil Company President Marvin Odum and BP America Inc President and Chairman Lamar McKay testify on the BP oil spill in the Gulf of Mexico during a House Energy and Commerce hearing on Capitol Hill in Washington, June 15, 2010. REUTERS/Larry Downing (UNITED STATES - Tags: POLITICS ENVIRONMENT ENERGY BUSINESS IMAGES OF THE DAY) 

BP America President and Chairman Lamar McKay testifies on the BP oil spill in the Gulf of Mexico during a House Energy and Commerce hearing on Capitol Hill in Washington, June 15, 2010. Today is the fifty-seventh day of the BP oil spill. REUTERS/Larry Downing (UNITED STATES - Tags: POLITICS ENERGY ENVIRONMENT)