CBS Corporation CEO Les Moonves (L) and his wife TV personality Julie Chen pose for photographers as they arrive for the 2017 Kennedy Center Honoree gala dinner at the U.S. State Department, in Washington, U.S., December 2, 2017. REUTERS/Mike Theiler 

Metropolitan Museum of Art Costume Institute Gala - Rei Kawakubo/Comme des Garcons: Art of the In-Between - Arrivals - New York City, U.S. - 01/05/17 - Television personality Julie Chen and CBS executive Les Moonves. REUTERS/Lucas Jackson 

Metropolitan Museum of Art Costume Institute Gala - Rei Kawakubo/Comme des Garcons: Art of the In-Between - Arrivals - New York City, U.S. - 01/05/17 - Television personality Julie Chen and CBS executive Les Moonves. REUTERS/Lucas Jackson 

89th Academy Awards - Oscars Red Carpet Arrivals - Hollywood, California, U.S. - 26/02/17 - Les Moonves of CBS and television personality Julie Chen. REUTERS/Mike Blake 

President and Chief Executive Officer of CBS Corporation Les Moonves (L) and his wife, Julie Chen, pose at AFI Fest's special closing night gala presentation of the film "Patriots Day" in Los Angeles, California, U.S., November 17, 2016. REUTERS/Danny Moloshok 

Actor Mark Wahlberg (L), President and Chief Executive Officer of CBS Corporation Les Moonves (C) and actor Kevin Bacon (R) pose at AFI Fest's special closing night gala presentation of the film "Patriots Day" in Los Angeles, California, U.S., November 17, 2016. REUTERS/Danny Moloshok 

President and Chief Executive Officer of CBS Corporation Les Moonves and his wife, Julie Chen, arrive at the Vanity Fair Oscar Party in Beverly Hills, California February 28, 2016. REUTERS/Danny Moloshok 

President and Chief Executive Officer of CBS Corporation Les Moonves and his wife, Julie Chen, arrive at the Vanity Fair Oscar Party in Beverly Hills, California February 28, 2016. REUTERS/Danny Moloshok 

CBS Corporation Chairman Les Moonves and his wife Julie Chen stand on the field ahead of the NFL's Super Bowl 50 football game between the Carolina Panthers and the Denver Broncos in Santa Clara, California February 7, 2016. REUTERS/Mike Blake 

CBS Corporation Chairman Les Moonves (2nd from R), his wife Julie Chen (R) and actors Michael Douglas and Catherine Zeta-Jones stand on the field ahead of the NFL's Super Bowl 50 football game between the Carolina Panthers and the Denver Broncos in Santa Clara, California February 7, 2016. REUTERS/Mike Blake 

CBS President and Chief Executive Officer Les Moonves and his wife Julie Chen pose for photographers as they arrive for the Kennedy Center Honors gala dinner at the U.S. State Department, in Washington, December 5, 2015. The Honors are bestowed annually on five artists for their lifetime achievement in the arts and culture. REUTERS/Mike Theiler

CBS chairman Les Moonves arrives for "The Late Show with Stephen Colbert" at the Ed Sullivan Theater in Manhattan, New York, September 8, 2015. Stephen Colbert makes his "Late Show" debut on Tuesday with a mix of Hollywood glamour and presidential campaign politics with guests George Clooney and Republican White House contender Jeb Bush. REUTERS/Brendan McDermid

CBS chairman Les Moonves arrives for "The Late Show with Stephen Colbert" at the Ed Sullivan Theater in Manhattan, New York, September 8, 2015. Stephen Colbert makes his "Late Show" debut on Tuesday with a mix of Hollywood glamour and presidential campaign politics with guests George Clooney and Republican White House contender Jeb Bush. REUTERS/Brendan McDermid

CBS chairman Les Moonves (R) arrives with wife Julie Chen at the 72nd Golden Globe Awards in Beverly Hills, California January 11, 2015. REUTERS/Mario Anzuoni (UNITED STATES - Tags: ENTERTAINMENT)(GOLDENGLOBES-ARRIVALS) 

CBS Chairman Les Moonves (L) speaks to guests during the Hollywood Film Awards in Hollywood, California November 14, 2014. REUTERS/Kevork Djansezian (UNITED STATES - Tags: ENTERTAINMENT BUSINESS)

CBS chairman Les Moonves and his wife Julie Chen arrive at the Hollywood Film Awards in Hollywood, California November 14, 2014. REUTERS/Danny Moloshok (UNITED STATES - Tags: ENTERTAINMENT)

Les Moonves (R), president and CEO of CBS Corporation, and his wife Julie Chen pose during the premiere of the CBS science fiction television series "Extant" at the Samuel Oschin Space Shuttle Endeavour Display Pavilion in Los Angeles, California June 16, 2014. REUTERS/Kevork Djansezian (UNITED STATES - Tags: ENTERTAINMENT BUSINESS) 

Les Moonves, Chairman and Chief Executive Officer of CBS, and his wife Julie Chen arrive at the Metropolitan Museum of Art Costume Institute Gala Benefit celebrating the opening of "Charles James: Beyond Fashion" in Upper Manhattan, New York, May 5, 2014. REUTERS/Lucas Jackson (UNITED STATES - Tags: ENTERTAINMENT FASHION)

CBS Chief Executive Les Moonves (C) and CBS Outdoor Americas Inc. CEO Jeremy Male (center R) ring the opening bell with company executives to celebrate their company's IPO, at New York Stock Exchange March 28, 2014. Shares of CBS Outdoor Americas Inc rose as much as 9 percent in their trading debut, valuing the outdoor advertising company at about $3.7 billion as it pushes for a bigger slice of the ad market and its parent CBS Corp focuses more on content. REUTERS/Brendan McDermid (UNITED STATES - Tags: BUSINESS ENTERTAINMENT) 

CBS Chief Executive Les Moonves (L) is joined by CBS Outdoor Americas Inc. CEO Jeremy Male during an interview prior to their company's IPO on the floor of the New York Stock Exchange March 28, 2014. Shares of CBS Outdoor Americas Inc rose as much as 9 percent in their trading debut, valuing the outdoor advertising company at about $3.7 billion as it pushes for a bigger slice of the ad market and its parent CBS Corp focuses more on content. REUTERS/Brendan McDermid (UNITED STATES - Tags: BUSINESS ENTERTAINMENT) 

CBS CEO Les Moonves and wife Julie Chen arrive at the 71st annual Golden Globe Awards in Beverly Hills, California January 12, 2014. REUTERS/Danny Moloshok (UNITED STATES - Tags: ENTERTAINMENT) (GOLDENGLOBES-ARRIVALS) 

President and Chief Executive Officer of CBS Les Moonves (R) and his wife, TV personality Julie Chen arrive on the red carpet at the annual White House Correspondents' Association dinner in Washington, April 27, 2013. REUTERS/Jonathan Ernst (UNITED STATES - Tags: POLITICS ENTERTAINMENT MEDIA) 

CBS President Les Moonves and wife Julie Chen at the 2013 Vanity Fair Oscars Party in West Hollywood, California February 24, 2013. REUTERS/Danny Moloshok (UNITED STATES TAGS:ENTERTAINMENT) (OSCARS-PARTIES) 

President and Chief Executive Officer of CBS Corporation Les Moonves and his wife Julie Chen arrive at the 55th annual Grammy Awards in Los Angeles, California February 10, 2013. REUTERS/Mario Anzuoni (UNITED STATES - Tags: ENTERTAINMENT) (GRAMMYS-ARRIVALS) 

Julie Chen and Les Moonves, president and CEO of CBS, walk the red carpet at the annual White House Correspondents' Association Dinner at the Washington Hilton in Washington, April 28, 2012. REUTERS/Jonathan Ernst (UNITED STATES - Tags: POLITICS ENTERTAINMENT MEDIA) 

Julie Chen and her husband, CBS CEO and President Les Moonves, arrive at a party thrown by Google and the Hollywood Reporter, on the eve of the annual White House Correspondents' Association Dinner, at the W Hotel in Washington, April 27, 2012. REUTERS/Jonathan Ernst (UNITED STATES - Tags: POLITICS ENTERTAINMENT MEDIA) 

President and CEO of CBS Corporation Les Moonves and wife Julie Chen arrive at the BAFTA Brits to Watch event in Los Angeles, California July 9, 2011. Prince William and his wife Catherine are on a royal visit to California from July 8 to July 10. REUTERS/Mario Anzuoni (UNITED STATES - Tags: ENTERTAINMENT) 

CBS Corporation's Les Moonves (L) and NBC Universal's Ron Meyer chat during a lunch break during the first day of the Allen and Company Sun Valley Conference in Sun Valley, Idaho July 6, 2011. The annual conference that has taken place in Sun Valley since 1983 typically features invited attendance by world business elite, global political leaders, entertainment giants and major figures in international philanthropic and cultural spheres. REUTERS/Anthony Bolante (UNITED STATES - Tags: BUSINESS ENTERTAINMENT) 

CBS President Les Moonves, his wife Julie Chen, pianist Nguyen Thi Chau-Giang and producer Brian Grazer (L-R) pose at The Weinstein Company and Relativity Media's after-party for the 68th annual Golden Globe Awards in Beverly Hills, California January 16, 2011. REUTERS/Danny Moloshok (UNITED STATES - Tags: ENTERTAINMENT MEDIA BUSINESS) (GOLDENGLOBES-PARTIES) 

CBS President Les Moonves and his wife Julie Chen arrive at the 68th annual Golden Globe Awards in Beverly Hills, California, January 16, 2011. REUTERS/Mario Anzuoni (UNITED STATES - Tags: ENTERTAINMENT BUSINESS MEDIA) (GOLDENGLOBES-ARRIVALS) 

Les Moonves (L) President, Chief Executive Officer and Director CBS Corporation, and wife Julie Chen arrive at the Carousel of Hope Ball in Beverly Hills, California October 23, 2010. The ball benefits The Barbara Davis Center for Childhood Diabetes. REUTERS/Fred Prouser (UNITED STATES - Tags: ENTERTAINMENT) 

Les Moonves, President and Chief Executive Officer of CBS Corporation, is seen at the Sun Valley Inn in Sun Valley, Idaho July 8, 2010. The resort is the site for the annual Allen & Co's media and technology conference. REUTERS/Mario Anzuoni (UNITED STATES - Tags: BUSINESS) 

Les Moonves, President and Chief Executive Officer of CBS Corporation, and wife, host Julie Chen arrive at the Sun Valley Inn in Sun Valley, Idaho July 8, 2010. The resort is the site for the annual Allen & Co's media and technology conference. REUTERS/Mario Anzuoni (UNITED STATES - Tags: BUSINESS MEDIA) 

Les Moonves, President and Chief Executive Officer of CBS Corporation, and wife, host Julie Chen arrive at the Sun Valley Inn in Sun Valley, Idaho July 8, 2010. The resort is the site for the annual Allen & Co's media and technology conference. REUTERS/Mario Anzuoni (UNITED STATES - Tags: BUSINESS MEDIA) 

Les Moonves, President and Chief Executive Officer of CBS Corporation, and wife, host Julie Chen, arrive at the 2010 Vanity Fair Oscar party in West Hollywood, California March 7, 2010. REUTERS/Danny Moloshok (OSCARS-PARTY) (UNITED STATES - Tags: ENTERTAINMENT BUSINESS) 

Les Moonves, president and chief executive officer of CBS Corporation, and his wife, host Julie Chen arrive at the 2010 Vanity Fair Oscar party in West Hollywood, California March 7, 2010. REUTERS/Danny Moloshok (OSCARS-PARTY) (UNITED STATES - Tags: ENTERTAINMENT) 

CBS chief executive officer Les Moonves (R) and his wife Julie Chen arrive at the premiere of CBS Film's "Extraordinary Measures" at Grauman's Chinese Theatre in Hollywood, California, January 19, 2010. The film was the first film to go into production for CBS films and it opens in U.S. theaters on January 22. REUTERS/Danny Moloshok (UNITED STATES - Tags: ENTERTAINMENT BUSINESS) 

CBS chief executive officer Les Moonves arrives at the premiere of CBS Film's "Extraordinary Measures" at Grauman's Chinese Theatre in Hollywood, California, January 19, 2010. The film was the first film to go into production for CBS films and it opens in U.S. theaters on January 22. REUTERS/Danny Moloshok (UNITED STATES - Tags: ENTERTAINMENT HEADSHOT BUSINESS) 

CBS chief executive officer Les Moonves (R) and his wife Julie Chen arrive at the premiere of CBS Film's "Extraordinary Measures" at Grauman's Chinese Theatre in Hollywood, California, January 19, 2010. The film was the first film to go into production for CBS films and it opens in U.S. theaters on January 22. REUTERS/Danny Moloshok (UNITED STATES - Tags: ENTERTAINMENT) 

Executive chairman of Viacom Sumner Redstone (L) and CBS chief executive officer Les Moonves (R) pose together at the premiere of CBS film's "Extraordinary Measures" at Grauman's Chinese Theatre in Hollywood, California, January 19, 2010. The film was the first film to go into production for CBS films and it opens in U.S. theaters on January 22. REUTERS/Danny Moloshok (UNITED STATES - Tags: ENTERTAINMENT BUSINESS) 

Bill Gates former CEO of Microsoft and Les Moonves CEO of CBS (R) look for a place to sit for lunch outside the Sun Valley Inn in Sun Valley, Idaho July 9, 2009. Google has announced the Chrome operating system to compete with Microsoft Windows. The resort is the site for the annual Allen & Co's media and technology conference. REUTERS/Rick Wilking (UNITED STATES BUSINESS SCI TECH MEDIA) 

Les Moonves, CEO of CBS Corp arrives at the Sun Valley Inn in Sun Valley, Idaho July 9, 2009. This year's media conference, hosted by boutique investment bank Allen & Co, will feature morning panel discussions, and executives will roam the grounds and potentially discuss doing big deals and acquisitions that has made Sun Valley famous as a "summer camp" for the media world. REUTERS/Rick Wilking (UNITED STATES BUSINESS SCI TECH) 

Ron Meyer, president and COO Universal Studios (L), and Les Moonves, president and CEO of CBS Corp, joke on the terrace at the Sun Valley Inn in Sun Valley, Idaho July 8, 2009. The annual Allen & Co's media and technology conference starts today the resort. REUTERS/Rick Wilking (UNITED STATES BUSINESS ENTERTAINMENT) 

Ron Meyer, president and COO Universal Studios (L), and Les Moonves, president and CEO of CBS Corp, joke on the terrace at the Sun Valley Inn in Sun Valley, Idaho July 8, 2009. The annual Allen & Co's media and technology conference starts today the resort. REUTERS/Rick Wilking (UNITED STATES BUSINESS ENTERTAINMENT) 

Ron Meyer, President and COO Universal Studios (L) and Les Moonves, president and CEO of CBS Corp, joke on the terrace at the Sun Valley Inn in Sun Valley, Idaho July 8, 2009. Guests at this year's Sun Valley media conference, hosted by boutique investment bank Allen & Co, are grappling with questions about technology and the Web that could determine their survival, though some are putting a braver face on it than others. The conference will feature morning panel discussions, and executives will roam the grounds and potentially discuss doing big deals and acquisitions that has made Sun Valley famous as a "summer camp" for the media world. REUTERS/Rick Wilking (UNITED STATES BUSINESS SCI TECH MEDIA IMAGES OF THE DAY) 

CBS chief executive officer Les Moonves (L) and his wife Julie Chen arrive at the 51st annual Grammy Awards in Los Angeles February 8, 2009. REUTERS/Danny Moloshok (UNITED STATES) 

CBS chief executive officer Les Moonves and his wife Julie Chen arrive at the 51st annual Grammy Awards in Los Angeles February 8, 2009. REUTERS/Danny Moloshok (UNITED STATES) 

CBS President and CEO Les Moonves and his wife Julie Chen pose for photographers as they arrive for the 2008 Kennedy Center Honors Gala at the Kennedy Center in Washington December 7, 2008. The 31st Annual Kennedy Center Honors awards are given for lifetime achievement in the performing arts. REUTERS/Mike Theiler (UNITED STATES) 

President and CEO of CBS Corporation Les Moonves (L) and wife, CBS anchor Julie Chen arrive for the Metropolitan Museum of Art Costume Institute Gala, "Superheroes: Fashion and Fantasy" in New York, May 5, 2008. The superhero mania that is invading American cinemas this summer has taken hold at one of the country's most distinguished art museums with an exhibit on how their colorful costumes have influenced fashion. REUTERS/Lucas Jackson (UNITED STATES) 

CBS President Les Moonves and his wife Julie Chen arrive at the 50th Annual Grammy Awards in Los Angeles February 10, 2008. REUTERS/Danny Moloshok (UNITED STATES) 

CBS President Les Moonves and his wife Julie Chen arrive at the 50th Annual Grammy Awards in Los Angeles February 10, 2008. REUTERS/Danny Moloshok (UNITED STATES) 

Television personality Julie Chen (L) and her husband Les Moonves, President and CEO of CBS Corporation, arrive for the Kennedy Center Honors show in Washington December 2, 2007. The 2007 honorees are pianist Leon Fleisher, actor Steve Martin, singer Diana Ross, film director Martin Scorsese and musician Brian Wilson. REUTERS/Jonathan Ernst (UNITED STATES) 

Les Moonves (R), president and CEO of CBS Corporation, and his wife TV personality Julie Chen arrive for the gala performance at the Kennedy Center in Washington December 2, 2007. The 30th annual Kennedy Center Honors awards are given for lifetime achievement in the performing arts. REUTERS/Mike Theiler (UNITED STATES) 

CBS television network chief executive Les Moonves and wife, CBS newswoman Julie Chen, arrive at the taping of the American Film Institute's Life Achievement Award gala honoring Al Pacino in Hollywood, California, June 7, 2007. REUTERS/Fred Prouser (UNITED STATES) 

CBS President and CEO Les Moonves and wife Julie Chen arrive for the Vanity Fair Oscar Party at Mortons in West Hollywood February 25, 2007. REUTERS/Chris Pizzello (UNITED STATES) 

CBS News Early Show anchor Julie Chen and CBS chairman Les Moonves arrive at the 49th Annual Grammy Awards in Los Angeles February 11, 2007. REUTERS/Mario Anzuoni (UNITED STATES) 

Les Moonves, President and CEO of CBS Corporation, speaks at a forum titled "Beyond Primetime, will media help grow healthier kids" in New York February 6, 2007. REUTERS/Chip East (UNITED STATES) 

Harvey Weinstein (R), Co-Chariman of the Weinstein Company, Les Moonves (C), President and CEO of CBS Corporation, and Richard Parsons, Chairman of the Board and CEO of Time Warner Inc., listen during a forum titled "Beyond Primetime, will media help grow healthier kids" in New York February 6, 2007. REUTERS/Chip East (UNITED STATES) 

Harvey Weinstein (R), Co-Chariman of the Weinstein Company, Les Moonves (2nd R), President and CEO of CBS Corporation, Richard Parsons (2nd L), Chairman of the Board and CEO of Time Warner Inc. and Ken Auletta from the New Yorker magazine participate in a forum titled "Beyond Primetime, will media help grow healthier kids" in New York February 6, 2007. REUTERS/Chip East (UNITED STATES) 

Harvey Weinstein (R), Co-Chariman of the Weinstein Company, speaks as Les Moonves (C), President and CEO of CBS Corporation, and Richard Parsons (L), Chairman of the Board and CEO of Time Warner Inc., listen during a forum titled "Beyond Primetime, will media help grow healthier kids" in New York February 6, 2007. REUTERS/Chip East (UNITED STATES)