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Jessica Biel, Justin Timberlake

Turgeon-Steffman/Splash News

Jessica Biel sure was proud of Justin Timberlake after his 2013 MTV VMAs performance—and rightfully so!

On Sunday, Aug. 25, the actress accompanied her hubby to Diddy's Ciroc Amaretto afterparty at Ph-D Rooftop Lounge in NYC. Also on hand for some post-awards show fun? Beyoncé, Jay Z and Leonardo DiCaprio!

An eyewitness tells E! News Justin and Jessica "arrived hand in hand" and then "sat next to Jay and Bey."

As for Leo?! "He "was hanging out next to Jay," says a witness, "Standing on a banquette, rapping to songs."

That makes for quite a visual, huh?

Plenty of other celebs came out for the VMAs afterparty, too—including Rihanna, Cassie, Drake, Timbaland, J. Cole, Pharrell, Kendrick Lamar, Neyo, Busta Rhymes, Rita Ora, Iggy Azalea , Ellie Goulding, Darren Criss, Shaun White, Macklemore, Jamie Foxx, Trey Songz, Jared Leto and Meek Mill—but Justin was clearly the star of the evening.

Not only did the 32-year-old Southern superstar receive the Michael Jackson Video Vanguard Award, he also performed an extended, multi-song set to the delight of the crowd. He even reunited for 'N Sync onstage for the first time in over ten years, tweeting afterwards, "I think I just caught my breath... That was an unforgettable night for me. Thank you forever, @MTV"