Justin Timberlake & Jimmy Fallon Do 'Single Ladies' Dance at U.S. Open 2015 - Watch the Video!

Justin Timberlake and his good friend Jimmy Fallon play it up for the crowd while being shown on screen during the Men’s Singles Quarterfinals match between Richard Gasquet and Roger Federer at the 2015 US Open held at the USTA Billie Jean King National Tennis Center on Wednesday (September 9) in Queens, N.Y.

The guys stood up and started dancing Beyonce‘s “Single Ladies” routine, which caused the crowd to roar with laughter.

Watch the video below!

Don’t forget – Justin is making an appearance on The Tonight Show Starring Jimmy Fallon TONIGHT, so be sure to check back for all the photos and video!

Rumor has it, they will be doing the sixth installment of their famous “History of Rap” duet!