Watch Justin Bieber Dance With Leonardo DiCaprio's Man Bun

This might be the best video from the Met Gala after parties... and also of all time.

“Look at the flicka da wrist!”

Justin Bieber is giving a whole new meaning to Chedda Da Connect’s catchy tune, “Flicka Dat Wrist.”

The 21-year-old was caught on tape lip-syncing and dancing to the rap hit at Rihanna’s star-studded Met Gala after-party in NYC – and he literally flicked Leonardo DiCaprio’s man bun when the chorus came on. LOL.

PHOTOS: The 9 Best Dressed Stars at the 2015 Met Gala

Tyga, 25, shared the 10 second clip to on his Snapchat account. The rapper, who showed up to the soirée with rumored girlfriend Kylie Jenner, 17, is also seen dancing alongside Bieber in the vid.

RELATED: Justin Bieber Was a Huge Fan of Selena Gomez's Met Gala Look

Unfortunately, Leo was too busy chatting up a mystery brunette to notice JB’s hilarious moves behind him.

VIDEO: Lady Gaga Defends Justin Bieber After They Hang Out at the Met Gala!

The Biebs was clearly enjoying himself all night long. He was also snapped hanging out at a table with Madonna and Kendall Jenner.

Other celebs in attendance at RiRi's bash at Up & Down Club? Miley Cyrus, Jennifer Lawrence, and Selena Gomez – who reportedly even had a short convo with her ex-boyfriend inside. That same night, JB even gushed about how stunning his ex-girlfriend looked in her stunning Vera Wang gown.

Back to the JB/Leo video though. Are you as entertained as we are by the clip? Let @Katie_Krause know on Twitter!

Justin recently admitted his upcoming songs are inspired by his relationship with Selena. Check out the video below to see what he said.