Frances Tiafoe earned a tough four-set victory in the third round of the US Open on Friday against Adrian Mannarino. But some fans were more focussed on what happened involving the American later in the day.

After fulfilling his media obligations, Tiafoe visited the suite level inside Arthur Ashe Stadium to meet Justin Bieber and Hailey Bieber.

The Biebers were on site to watch WTA star Coco Gauff play Elise Mertens. Gauff won the match in three sets.

Tiafoe, still in his match kit, enjoyed speaking with the celebrities before returning inside the suite to take a photo with his girlfriend, Ayan Broomfield, Justin and Hailey.

Another celebrity who was in the suite was avid tennis fan Jimmy Butler, an NBA star for the Miami Heat. Butler has travelled far and wide to watch Carlos Alcaraz compete this year, from Buenos Aires to Miami and Wimbledon.

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But Butler is not solely an Alcaraz fan. The basketball player posted on his Instagram Stories that he was watching Tiafoe on his phone.

“Proof you be tapped in on me bro i ain’t gon clown bout that no more 😂😂 all love,” Tiafoe replied.

On Saturday Seal, another celebrity tennis fan, watched Jannik Sinner’s victory against Stan Wawrinka from the Italian’s box. 

“He’s obviously an incredible singer, but most importantly is a very, very nice man to be around,” Sinner said. “He [told] me that he’s going to make the European tour and everything, and then it’s nice to share a little bit different moments, not only talking about tennis. So it’s always nice.”