Justin Timberlake, Jimmy Fallon dance to ‘Single Ladies’ at U.S. Open

Updated Sep 10, 2015 at 5:34a ET

Justin Timberlake and Jimmy Fallon went to watch Roger Federer at the U.S. Open together in New York on Wednesday because they have maybe the coolest celebrity bromance going.

The two are always a blast any time they get together — whether on “Saturday Night Live” or on Fallon’s “Tonight Show” — so it’s no surprise they had some fun while attending one of tennis’ premier sporting events.

Beyonce’s hit song “Single Ladies” apparently came on the PA system and, considering JT’s history with the song, well, this was to be expected.

On a list of people we’d love to spend a day with, JT and Jimmy are pretty close to the top of the list.

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