The two attend the women's final on day 13.
The Watch What Happens Live host joins Chandler Parsons for one of the final matches of the weekend.
The actress walks the blue carpet before witnessing Flavia Pennetta win the title.
In between attending New York Fashion Week shows, the "I Bet" singer makes time to watch one final match.
The Burnt star catches the men's semifinals and tries not to stare at Open regular Sean Connery sitting in front of him.
The Today show correspondent watches the men's semifinals in one of her first public outings since welcoming her second child.
The rapper cheers on Serena Williams in her semifinal match against Roberta Vinci, but the 21-time Grand Slam champ loses in three sets.
What the deuce?! The cute new couple take in Venus vs. Serena in the quarterfinals.
Love-all! It's impossible to know who to root for when longtime Kardashian family pals and sisters Venus and Serena Williams are playing each other.
The fiery Republican presidential candidate and his everyday first lady hold court at Flushing Meadows.
Actor attends the Men's Singles alongside his daughter, Asa, and wife, Lia.
The actress attends the event with her mother.
The One Direction singer is spotted at day 5.
The tennis star poses with contortionists from the Queen of the Night show.
The One Direction singer takes in a match at the Billie Jean King National Tennis Center.
Say cheese! The singer flashes a big smiles at the U.S. Open.
Someone is ready for tennis! The One Direction singer hits the blue carpet at the U.S. Open.
Winner, winner! The athlete advances after beating Kiki Bertens.
The "Motivation" singer is all smiles at the U.S. Open's Opening Night Gala.
What's black and white and gorgeous all over? Amanda, of course!
The singer was the headlining performer at the Opening Night Gala.
The Vogue editor in chief, chic in a raspberry frock and signature dark sunnies, is easily best-dressed for Serena Williams' opening night match.
The tennis fans step out sans newborn son Rafael Thomas.
What a vision! The 52-year-old star wore tennis whites, naturally, to sing the national anthem.