See the Stars in the Stands at the 2016 U.S. Open Championships
From Leonardo DiCaprio to Karlie Kloss, see every celebrity who cheered on the players at Arthur Ashe Stadium.
Leonardo DiCaprio
The avid tennis fan was focused on the action during the men's final match between No. 1 Novak Djokovic and Stan Wawrinka.
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Karlie Kloss
The model stunned in a silky slip for the men's championship match.
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Mariska Hargitay
Kloss's fellow "Bad Blood" star also took in the action at Arthur Ashe Stadium during the intense men's final.
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Princess Beatrice
The royal donned a watercolor-print frock to attend the U.S. Open championships on Sunday, Sept. 11.
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Sienna Miller
The actress applauded the fierce competitors while stunning in a denim dress.
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Ivanka Trump
The fashionable businesswoman looked on-trend in an off-the-shoulder top.
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Jessica Alba, Honor Warren, and Haven Warren
The Honest Company founder made it a family day, taking daughters Honor and Haven to Day 13 of the Open.
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Hilary Swank
Hilary Swank opts for a sleek and casual look on Day 13 of the Open.
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Christy Turlington, Ed Burns, and Karolina Kurkova
Day 13 turned out to be model-studded including Turlington and Kurkova in the stands.
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Kate Upton
The model jazzes up her casual tank with blue and white printed pants.
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Bruce Willis
Willis brings along his model wife Emma Heming to Day 12 of the Open.
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Julianna Margulies
The actress wore chic dark colors to attend Day 10 of the Open.
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Justin Bartha, Jon Hamm and Jason Biggs
Bartha and Biggs bring their wives, while Hamm dons a cap, for the men's semifinals.
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Heidi Klum
The model looked chic in matching palm-printed separates with her boyfriend, Vito Schnabel, to watch the women's semifinal matches.
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Emily Ratajkowski
The model smouldered in a crop top and denim cutoffs on day 11 of the championships.
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Uzo Aduba
The Orange Is the New Black star cheered on world No. 1 Serena Williams as she won her quarterfinal match.
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Pharrell Williams
The singer got a lesson in the game from none other than 1971 U.S. Open champion Stan Smith.
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Ben Stiller and Hugh Jackman
The veteran actors joined forces for a night of tennis, watching world No. 1 Novak Djokovic cruise through to the semifinals on Tuesday, Sept. 6.
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Queen Latifah
The Queen spent her Labor Day at the U.S. Open, cheering on the Williams sisters in their back-to-back singles matches.
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Hugh Grant
The actor cheered from his front-row seat alongside Anna Eberstein on Sunday, Sept. 4 at the Open.
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Vanessa Williams
The Ugly Betty star watched as Caroline Wozniacki took down American Madison Keys on day 7 at Arthur Ashe Stadium.
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Kelly Rowland and La La Anthony
The stars cheered on Saturday, Sept. 3 at the U.S. Open in coordinating white looks.
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Jonah Hill
The bearded actor got out of his seat for a stirring performance on the third day of the championships.
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Lupita Nyong'o
The Oscar winner watched Serena Williams cruise through her first round match on the second day of the tournament.
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Kevin Spacey
The House of Cards star saluted fans on the second day of the U.S. Open.
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Hilaria and Alec Baldwin
The expectant couple dressed up for the opening day of the 2016 championships.
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Debra Messing
The avid tennis fan was joined by former pro Martina Navratilova, looking chic in a red dress for day one.
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Susan Sarandon
Sarandon looked chic in all black to catch a night match on Monday, Aug. 29.