Bruce Willis and his wife, model and actress Emma Heming watch as Marin Cilic of Croatia plays against Kei Nishikori of Japan during the men's singles final match on Day fifteen of the 2014 US Open at the USTA Billie Jean King National Tennis Center. Pic: Getty Images
Bruce Willis and his wife Emma Heming Pic: Getty Images
Liev Schreiber and his son attend the men's singles final match between Kei Nishikori of Japan and Marin Cilic of Croatia at the 2014 U.S. Open tennis tournament in New York. Pic: Reuters
Liev Schreiber and his son Pic: Reuters
NASCAR driver Jeff Gordon, Tracy Pollan and Michael J. Fox watch Kei Nishikori of Japan plays against Marin Cilic of Croatia prior to their men's singles final match on Day fifteen of the 2014 US Open at the USTA Billie Jean King National Tennis Center. Pic: Getty Images
Robert Redford attends the women's singles final match between Serena Williams of the United States and Caroline Wozniacki of Denmark on Day fourteen of the 2014 US Open at the USTA Billie Jean King National Tennis Center. Pic: Getty Images
Princess Eugenie of York and Phil Winser and (bottom) Peter Sarsgaard and Ebon Moss-Bachrach attend the Moet & Chandon Suite at the 2014 US Open Men's Final at USTA Billie Jean King National Tennis Center. Pic: Getty Images
Jason Sudeikis and Olivia Munn attend the Moet & Chandon Suite at the 2014 US Open Men's Final at USTA Billie Jean King National Tennis Center. Pic: Getty Images
Phil Winser and Princess Eugenie of York attend the Moet & Chandon Suite at the 2014 US Open Men's Final at USTA Billie Jean King National Tennis Center. Pic: Getty Images
Jill Hennessy attends the Moet & Chandon Suite at the 2014 US Open Men's Final at USTA Billie Jean King National Tennis Center. Pic: Getty Images
Bill Gates watches as Marin Cilic of Croatia plays against Kei Nishikori of Japan during the men's singles final match on Day fifteen of the 2014 US Open at the USTA Billie Jean King National Tennis Center. Pic: Getty Images
Anna Kournikova watches as Marin Cilic of Croatia plays against Kei Nishikori of Japan during the men's singles final match on Day fifteen of the 2014 US Open at the USTA Billie Jean King National Tennis Center. Pic: Getty Images