Mary-Kate Olsen & Heidi Klum Bring Their Significant Others to US Open!

Mary-Kate Olsen leans on her fiance Olivier Sarkozy as they watch a match at the 2014 US Open at USTA Billie Jean King National Tennis Center on Monday (September 1) in Queens, New York.

The 28-year-old fashion designer and her 45-year-old banker love were joined in their box by Heidi Klum and her beau Vito Schnabel!

Over in the Moet & Chandon suite, Taye Diggs was seen sitting with his gal, model Amanza Smith Brown. SNL‘s Jay Pharoah also watched the games that evening.

The US Open runs until September 8, when the winners will be crowned!

30+ pictures inside of Mary-Kate Olsen, Heidi Klum, and more at the US Open…