Justin Bieber: Abs Flashing 'Late Night' Guest & 'SNL' Promo!

Justin Bieber flaunts his abs during an appearance on Late Night with Jimmy Fallon on Tuesday (February 5) in New York City.

The 18-year-old entertainer was seen showcasing his kisses skills on a mannequin on the show.

PHOTOS: Check out the latest pics of Justin Bieber

Earlier in the day, Justin tweeted, “Shooting #BieberOnSNL promos…”

Justin is scheduled to perform and host SNL on Saturday (February 9). Check out the just released promo below!

Over the weekend, Justin was seen grabbing a bite to eat with some friends at Nobu in West Hollywood.

20+ pictures of Justin Bieber appearing on Late Night with Jimmy Fallon at