Stars at the U.S. Open

Leonardo DiCaprio and Lukas Haas watch the women's singles quarter-final match between the Serena Williams of the United States and against Carla Suarez Navarro of Spain on day nine of the 2013 U.S. Open at USTA Billie Jean King National Tennis Center in New York City, Sept. 3, 2013.

Actors Jason Sudeikis and Olivia Wilde watch during the first round match on Day One of the 2013 U.S. Open, Aug. 26, 2013.

Ben Stiller watches from the grandstand as Andy Murray, of Great Britain, plays Florian Mayer, of Germany, during the third round of the 2013 U.S. Open tennis tournament, Sunday, Sept. 1, 2013, in New York. (AP Photo/David Goldman)

Actor Kelsey Grammer watches a third round match at the U.S. Open tennis tournament between Novak Djokovic, of Serbia, and Joao Sousa, of Portugal, Sept. 1, 2013.

Director Spike Lee attends Day Six of the 2013 U.S. Open at the USTA Billie Jean King National Tennis Center, Aug. 31, 2013.

Actor Kevin Spacey, left, watches a third round match at the U.S. Open tennis tournament between Novak Djokovic, of Serbia, and Joao Sousa, of Portugal, Sept. 1, 2013.

Canada's Prime Minister Stephen Harper (C) watches Li Na of China against Laura Robson of Great Britain during their U.S. Open 2013 women's singles match, Aug. 30, 2013.

Andy Murray of Great Britain's girlfriend Kim Sears and mother Judy Murray laugh during his men's singles first round match against Michael Llodra of France on Day Three of the 2013 U.S. Open, Aug. 28, 2013.

Olivia Munn (R) watches the men's singles first round match between Juan Martin Del Potro of Argentina and Guillermo Garcia-Lopez of Spain on day three of the 2013 U.S. Open, Aug. 28, 2013.

MLB Philadelphia Phillies Baseball Players Kevin Frandsen, Tennis player Ana Ivanovic of Serbia, Michael Young and John McDonald pose on dat two of the 2013 U.S. Open, Aug. 27, 2013.

TV personality Robin Roberts (L) sits with Pam Shriver (R) to watch a women's singles first round match between Serena Williams of the United States and Francesca Schiavone of Italy during their first round match on Day One of the 2013 U.S. Open, Aug. 26, 2013.

Golfer Rory McIlroy (R) sits in the family box of Caroline Wozniacki of Denmark to watch the women's singles match between Wozniacki and Ying-Ying Duan of China during the 2013 U.S. Open, Aug. 27, 2013.

New York City Mayor Michael Bloomberg, former tennis player and world number one Billie Jean King and First Vice President of the United States Tennis Association David Haggerty on stage during the opening ceremony of the 2013 U.S. Open, Aug. 26, 2013.

Vogue Editor-in-chief Anna Wintour watches the women's singles first round match between Serena Williams of the U.S. and Francesca Schiavone of Italy on Day One of the 2013 U.S. Open, Aug. 26, 2013.

Lenny Kravitz poses on the red carpet of the 2013 U.S. Open as part of Instagram's "Instastop."

Miss Universe Olivia Culpo poses at the 2013 U.S. Open for Instagram's "Instastop."

Actor Matt Bomer, center, poses at the 2013 U.S. Open for Instagram's "Instastop."

Hoda Kotb attends the quarterfinal between Victoria Azarenka, of Belarus, and Daniela Hantuchova, of Slovakia, Sept. 4, 2013.

Actor Tommy Lee Jones watches Novak Djokovic, Serbia, play Mikhail Youzhny, Russia, in a quarterfinal match, Sept. 5, 2013.

Musician Jimmy Buffett watches the quarterfinal between Victoria Azarenka, of Belarus, and Daniela Hantuchova, of Slovakia, Sept. 4, 2013.

Actor Sean Connery watches a match between Andy Murray, of Great Britain, and Stanislas Wawrinka, of Switzerland, during the quarterfinals, Sept. 5, 2013.

Actor Sean Connery watches Novak Djokovic, Serbia, play Mikhail Youzhny, Russia, in a quarterfinal match, Sept. 5, 2013.