Justin Bieber Skateboards Partially Shirtless Before 'Fallon' Appearance!

Justin Bieber flashes a peace sign while sitting down for an interview on The Tonight Show Starring Jimmy Fallon on Wednesday evening (September 2) in New York City.

The 21-year-old singer took to the Big Apple streets before the appearance to show off his skateboarding skills right outside of Radio City Music Hall.

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Justin went partially shirtless with just an arm in a sleeve.

“One of the best interviews and fun performances. Thanks @jimmyfallon and @theroots and @FallonTonight,” Justin tweeted after the taping.