Broadcaster Janet Street Porter, fashion designer Patrick Cox and actress Liz Hurley (L-R) pose for a photo during a reception at The U.S. Ambassador's London residence, Britain, November 4, 2015. The reception celebrated the launch of the Elton John AIDS Foundation and the U.S. President's Emergency Plan for AIDS Relief $10 million partnership to provide grants to organisations working to meet the HIV-related needs of Lesbian, Gay, Bisexual and Transgender people. REUTERS/Suzanne Plunkett 

Andrei Kirilenko of the Brooklyn Nets is fouled by Elton Brand (42) of the Atlanta Hawks during their NBA basketball game at the O2 in London, January 16, 2014. REUTERS/Andrew Winning (BRITAIN - Tags: SPORT BASKETBALL) 

Dallas Mavericks' O.J. Mayo (L) drives around Los Angeles Lakers' Kobe Bryant (C) as Mavericks' Elton Brand (R) looks on during the first quarter of their NBA basketball game in Los Angeles, April 2, 2013. REUTERS/Danny Moloshok (UNITED STATES - Tags: SPORT BASKETBALL) 

Dallas Mavericks forward Elton Brand shoots against Indiana Pacers center Ian Mahinmi during the second half of their NBA basketball game in Dallas, Texas March 28, 2013. REUTERS/Mike Stone (UNITED STATES - Tags: SPORT BASKETBALL) 

Indiana Pacers center Roy Hibbert (C) shoots against Dallas Mavericks forward Shawn Marion (L) as forward Elton Brand watches during the first half of their NBA basketball game in Dallas, Texas March 28, 2013. REUTERS/Mike Stone (UNITED STATES - Tags: SPORT BASKETBALL) 

Dallas Mavericks guard Vince Carter (25) shoots over Indiana Pacers center Ian Mahinmi (28) as forward Elton Brand (L) and forward Paul George (2nd L) position for the rebound during the first half of their NBA basketball game in Dallas, Texas March 28, 2013. REUTERS/Mike Stone (UNITED STATES - Tags: SPORT BASKETBALL) 

Los Angeles Clippers guard Chris Paul (L) passes the ball as he is defended by Dallas Mavericks forward Elton Brand (C) and forward Dirk Nowitzki during the second half of their NBA basketball game in Dallas, Texas March 26, 2013. REUTERS/Mike Stone (UNITED STATES - Tags: SPORT BASKETBALL) 

Dallas Mavericks forward Shawn Marion (L) grabs an offensive rebound over forward Elton Brand (C) and Los Angeles Clippers center DeAndre Jordan during the first half of their NBA basketball game in Dallas, Texas March 26, 2013. REUTERS/Mike Stone (UNITED STATES - Tags: SPORT BASKETBALL) 

Dallas Mavericks forward Elton Brand (L) moves towards the basket as he is defended by Los Angeles Clippers forward Matt Barnes during the first half of their NBA basketball game in Dallas, Texas March 26, 2013. REUTERS/Mike Stone (UNITED STATES - Tags: SPORT BASKETBALL) 

Dallas Mavericks forward Elton Brand (R) works against Oklahoma City Thunder forward Nick Collison during the second half of their NBA basketball game in Dallas, Texas March 17, 2013. REUTERS/Mike Stone (UNITED STATES - Tags: SPORT BASKETBALL) 

Dallas Mavericks forward Elton Brand shoots over Brooklyn Nets center Brook Lopez (11) in the fourth quarter of their NBA basketball game in New York, March 1, 2013. REUTERS/Ray Stubblebine (UNITED STATES - Tags: SPORT BASKETBALL) 

Los Angeles Lakers guard Kobe Bryant (L) comes up with a defensive rebound against Dallas Mavericks forward Elton Brand during the second half of their NBA basketball game in Dallas, Texas February 24, 2013. REUTERS/Mike Stone (UNITED STATES - Tags: SPORT BASKETBALL) 

Los Angeles Lakers center Dwight Howard (12) works in the paint against Dallas Mavericks forward Elton Brand (C) during the first half of their NBA basketball game in Dallas, Texas February 24, 2013. REUTERS/Mike Stone (UNITED STATES - Tags: SPORT BASKETBALL) 

Los Angeles Lakers guard Kobe Bryant shoots over Dallas Mavericks forward Elton Brand during the first half of their NBA basketball game in Dallas, Texas February 24, 2013. REUTERS/Mike Stone (UNITED STATES - Tags: SPORT BASKETBALL) 

Los Angeles Lakers center Dwight Howard (R) shoots over Dallas Mavericks forward Elton Brand during the first half of their NBA basketball game in Dallas, Texas February 24, 2013. REUTERS/Mike Stone (UNITED STATES - Tags: SPORT BASKETBALL) 

Dallas Mavericks forward Elton Brand (R) shoots against Golden State Warriors forward Carl Landry during the first half of their NBA basketball game in Dallas, Texas February 9, 2013. REUTERS/Mike Stone (UNITED STATES - Tags: SPORT BASKETBALL) 

Golden State Warriors guard Klay Thompson grabs a rebound in front of Dallas Mavericks forward Elton Brand (back) and near guards Vince Carter (L) and O.J. Mayo (2nd L) during the second half of their NBA basketball game in Dallas, Texas February 9, 2013. REUTERS/Mike Stone (UNITED STATES - Tags: SPORT BASKETBALL) 

Golden State Warriors forward Carl Landry shoots against Dallas Mavericks forward Elton Brand (L) as guard O.J. Mayo watches during the second half of their NBA basketball game in Dallas, Texas February 9, 2013. REUTERS/Mike Stone (UNITED STATES) 

San Antonio Spurs forward Tiago Splitter (C) drives on Dallas Mavericks forward Elton Brand (L) and forward Dirk Nowitzki during the first half of their NBA basketball game in Dallas, Texas January 25, 2013. REUTERS/Mike Stone (UNITED STATES - Tags: SPORT BASKETBALL) 

San Antonio Spurs guard Tony Parker (L) grabs his head after contact is made on the drive, next to Dallas Mavericks forward Elton Brand (2nd L), forward Dirk Nowitzki (2nd R) and guard Darren Collison during the first half of their NBA basketball game in Dallas, Texas January 25, 2013. REUTERS/Mike Stone (UNITED STATES - Tags: SPORT BASKETBALL) 

San Antonio Spurs guard Nando de Colo goes up for the shot as Dallas Mavericks guard Rodrigue Beaubois (L) and forward Elton Brand are near during the first half of their NBA basketball game in Dallas, Texas January 25, 2013. REUTERS/Mike Stone (UNITED STATES - Tags: SPORT BASKETBALL) 

San Antonio Spurs guard Nando de Colo drives on Dallas Mavericks forward Elton Brand next to guard Rodrigue Beaubois (L) during the first half of their NBA basketball game in Dallas, Texas January 25, 2013. REUTERS/Mike Stone (UNITED STATES - Tags: SPORT BASKETBALL) 

Oklahoma City Thunder forward Nick Collison (C) has the ball stripped by Dallas Mavericks forward Shawn Marion (R) as forward Elton Brand looks on during the second half of their NBA basketball game in Dallas, Texas January 18, 2013. REUTERS/Mike Stone (UNITED STATES - Tags: SPORT BASKETBALL) 

Oklahoma City Thunder forward Kevin Durant shoots over Dallas Mavericks forward Elton Brand and guard Vince Carter (R) during the second half of their NBA basketball game in Dallas, Texas January 18, 2013. REUTERS/Mike Stone (UNITED STATES - Tags: SPORT BASKETBALL) 

Dallas Mavericks forwards Elton Brand (L) and Dirk Nowitzki talk during the first half of their NBA basketball game against the Oklahoma City Thunder in Dallas, Texas January 18, 2013. REUTERS/Mike Stone (UNITED STATES - Tags: SPORT BASKETBALL) 

Memphis Grizzlies forward Marreese Speights (C) shoots over Dallas Mavericks forward Elton Brand (L) as forward Zach Randolph watches during the second half of their NBA basketball game in Dallas, Texas January 12, 2013. REUTERS/Mike Stone (UNITED STATES - Tags: SPORT BASKETBALL) 

Dallas Mavericks forward Elton Brand (R) loses the ball going for a rebound against Los Angeles Clippers center Ronny Turiaf of France during the second half of their NBA basketball game in Los Angeles, California January 9, 2013. REUTERS/Alex Gallardo (UNITED STATES - Tags: SPORT BASKETBALL) 

Los Angeles Clippers guard Eric Bledsoe (L) has his shot blocked by Dallas Mavericks forward Elton Brand (42) during the first half of their NBA basketball game in Los Angeles, California January 9, 2013. REUTERS/Alex Gallardo (UNITED STATES - Tags: SPORT BASKETBALL) 

Dallas Mavericks forward Elton Brand (42) is defended by Utah Jazz center Enes Kanter (0) and forward Derrick Favors (15) during the first half of their NBA basketball game in Salt Lake City, Utah, January 7, 2013. REUTERS/Jim Urquhart (UNITED STATES - Tags: SPORT BASKETBALL) 

Miami Heat's LeBron James (L) drives against Dallas Mavericks' Elton Brand in the second half of their NBA basketball game in Miami, Florida January 2, 2013. REUTERS/Andrew Innerarity (UNITED STATES - Tags: SPORT BASKETBALL) 

San Antonio Spurs forward Tiago Splitter looks for a shot as he is defended by Dallas Mavericks forward Elton Brand (2nd L), forward Jae Crowder (2nd R) and guard Chris Douglas-Roberts (R) during the first half of their NBA basketball game in Dallas, Texas December 30, 2012. REUTERS/Mike Stone (UNITED STATES - Tags: SPORT BASKETBALL) 

San Antonio Spurs guard Manu Ginobili (R) drives on Dallas Mavericks forward Elton Brand (42) during the first half of their NBA basketball game in Dallas, Texas December 30, 2012. REUTERS/Mike Stone (UNITED STATES - Tags: SPORT BASKETBALL) 

Dallas Mavericks forward Dirk Nowitzki (41) gestures towards the bench after making a shot against the San Antonio Spurs during the first half of their NBA basketball game in Dallas, Texas December 30, 2012. Also in the picture are Mavericks guard O.J. Mayo (L) and forward Elton Brand (R), and Spurs guard Danny Green (2nd L). REUTERS/Mike Stone (UNITED STATES - Tags: SPORT BASKETBALL) 

San Antonio Spurs guard Manu Ginobili passes from the lane as Dallas Mavericks forward Elton Brand and guard Vince Carter defend during the first half of their NBA basketball game in Dallas, Texas December 30, 2012. REUTERS/Mike Stone (UNITED STATES - Tags: SPORT BASKETBALL) 

San Antonio Spurs guard Manu Ginobili passes from the lane as he is defended by Dallas Mavericks forward Elton Brand and guard Vince Carter during the first half of their NBA basketball game in Dallas, Texas December 30, 2012. REUTERS/Mike Stone (UNITED STATES - Tags: SPORT BASKETBALL) 

Dallas Mavericks forward Elton Brand (2nd R) clears a rebound as Denver Nuggets forward Kenneth Faried (2nd L) defends, and Mavericks forward Dirk Nowitzki watches, during the first half of their NBA basketball game in Dallas, Texas, December 28, 2012. REUTERS/Mike Stone (UNITED STATES - Tags: SPORT BASKETBALL) 

Denver Nuggets center JaVale McGee (L) beats Dallas Mavericks forward Elton Brand to a rebound during the first half of their NBA basketball game in Dallas, Texas, December 28, 2012. REUTERS/Mike Stone (UNITED STATES - Tags: SPORT BASKETBALL) 

Toronto Raptors forward Amir Johnson (front) is fouled by Dallas Mavericks forward Elton Brand during the first half of their NBA basketball game in Toronto December 14, 2012.
REUTERS/Mike Cassese (CANADA - Tags: SPORT BASKETBALL) 

Los Angeles Clippers' Eric Bledsoe (C) passes past Dallas Mavericks' Derek Fisher (L) and Elton Brand during their NBA basketball game in Los Angeles, California, December 5, 2012. REUTERS/Lucy Nicholson (UNITED STATES - Tags: SPORT BASKETBALL) 

Los Angeles Clippers' Blake Griffin is fouled by Dallas Mavericks' Elton Brand (obscured) during their NBA basketball game in Los Angeles, California, December 5, 2012. REUTERS/Lucy Nicholson (UNITED STATES - Tags: SPORT BASKETBALL) 

Los Angeles Clippers' Blake Griffin (L) slam dunks over Dallas Mavericks' Bernard James and Elton Brand (R) during their NBA basketball game in Los Angeles, California, December 5, 2012. REUTERS/Lucy Nicholson (UNITED STATES - Tags: SPORT BASKETBALL) 

Dallas Mavericks power forward Elton Brand (42) and Chicago Bulls power forward Taj Gibson (22) grab for the rebound during the second half of their NBA basketball game in Chicago, Illinois, November 28, 2012. REUTERS/Jeff Haynes (UNITED STATES - Tags: SPORT BASKETBALL) 

Chicago Bulls center Joakim Noah (R) fights for the rebound with Dallas Mavericks power forward Elton Brand (L) during the second half of their NBA basketball game in Chicago, Illinois, November 28, 2012. REUTERS/Jeff Haynes (UNITED STATES - Tags: SPORT BASKETBALL) 

(L-R) Dallas Mavericks center Chris Kaman, Los Angeles Lakers center Dwight Howard, Mavericks forward Elton Brand and Lakers forward Metta World Peace react to a referee's whistle during the second half of their NBA basketball game in Dallas, Texas November 24, 2012. REUTERS/Mike Stone (UNITED STATES - Tags: SPORT BASKETBALL) 

Los Angeles Lakers center Dwight Howard (C) rebounds and shoots as Dallas Mavericks guard O.J. Mayo (L) and forward Elton Brand watch during the second half of their NBA basketball game in Dallas, Texas November 24, 2012. REUTERS/Mike Stone (UNITED STATES - Tags: SPORT BASKETBALL) 

Los Angeles Lakers forward Metta World Peace (15) goes up for a shot as Dallas Mavericks forward Shawn Marion (C) defends while Mavericks center Chris Kaman (L), Lakers center Dwight Howard (12) and Mavericks forward Elton Brand (R) are near, during the second half of their NBA basketball game in Dallas, Texas November 24, 2012. REUTERS/Mike Stone (UNITED STATES - Tags: SPORT BASKETBALL) 

Dallas Mavericks guard O.J. Mayo (R) is defended by Los Angeles Lakers forward Metta World Peace (C) near Mavericks forward Elton Brand during the first half of their NBA basketball game in Dallas, Texas November 24, 2012. REUTERS/Mike Stone (UNITED STATES - Tags: SPORT BASKETBALL) 

Los Angeles Lakers guard Kobe Bryant (C) is double teamed by Dallas Mavericks forward Elton Brand (L) and guard O.J. Mayo during the first half of their NBA basketball game in Dallas, Texas November 24, 2012. REUTERS/Mike Stone (UNITED STATES - Tags: SPORT BASKETBALL) 

New York Knicks center Tyson Chandler (2nd R) reacts during a stop in play as guard Jason Kidd (2nd L) holds the ball near Dallas Mavericks guard Vince Carter (L) and forward Elton Brand during the second half of their NBA basketball game in Dallas, Texas November 21, 2012. REUTERS/Mike Stone (UNITED STATES - Tags: SPORT BASKETBALL) 

Dallas Mavericks guard Vince Carter (2nd L) shoots against New York Knicks guard Jason Kidd (2nd R) as guard J.R. Smith (L) and forward Elton Brand (R) stand nearby during the second half of their NBA basketball game in Dallas, Texas November 21, 2012. REUTERS/Mike Stone (UNITED STATES - Tags: SPORT BASKETBALL) 

New York Knicks center Tyson Chandler (C) is fouled as he scores a basket as Dallas Mavericks forward Elton Brand (L) and forward Shawn Marion defend during the second half of their NBA basketball game in Dallas, Texas November 21, 2012. REUTERS/Mike Stone (UNITED STATES - Tags: SPORT BASKETBALL) 

Dallas Mavericks forward Elton Brand (L) and New York Knicks center Tyson Chandler get tangled up going for a rebound during the first half of their NBA basketball game in Dallas, Texas November 21, 2012. REUTERS/Mike Stone (UNITED STATES - Tags: SPORT BASKETBALL TPX IMAGES OF THE DAY) 

Dallas Mavericks forward Elton Brand looks to pass the ball as he's surrounded by by New York Knicks forward Ronnie Brewer (L) Tyson Chandler and Jason Kidd in the fourth quarter of their NBA basketball game at Madison Square Garden in New York, November 9, 2012. REUTERS/Adam Hunger (UNITED STATES - Tags: SPORT BASKETBALL) 

Dallas Mavericks forward Elton Brand (L) drives to the basket defended by New York Knicks forward Carmelo Anthony during the first quarter of their NBA basketball game at Madison Square Garden in New York, November 9, 2012. REUTERS/Adam Hunger (UNITED STATES - Tags: SPORT BASKETBALL) 

Dallas Mavericks forward Elton Brand (42) defends Utah Jazz forward Derrick Favors (15) during the second half of their NBA basketball game in Salt Lake City, Utah, October 31, 2012. REUTERS/Jim Urquhart (UNITED STATES - Tags: SPORT BASKETBALL) 

Utah Jazz forward Marvin Williams (2) is defended by Dallas Mavericks forwards Brandan Wright (34) and Elton Brand during the second half of their NBA basketball game in Salt Lake City, Utah, October 31, 2012. REUTERS/Jim Urquhart (UNITED STATES - Tags: SPORT BASKETBALL) 

Dallas Mavericks Elton Brand (C) puts up a shot between Los Angeles Lakers Kobe Bryant (L) and Pau Gasol of Spain during their NBA basketball game in Los Angeles October 30, 2012. REUTERS/Lucy Nicholson (UNITED STATES - Tags: SPORT BASKETBALL) 

Los Angeles Lakers Dwight Howard (L) puts up a shot past Dallas Mavericks Elton Brand during their NBA basketball game in Los Angeles October 30, 2012. REUTERS/Lucy Nicholson (UNITED STATES - Tags: SPORT BASKETBALL) 

Dallas Mavericks' Elton Brand (L) puts up a shot past Los Angeles Lakers' Antawn Jamison during their NBA basketball game in Los Angeles October 30, 2012. REUTERS/Lucy Nicholson (UNITED STATES - Tags: SPORT BASKETBALL)