Austin Mahone Goes Shirtless While Filming a Commercial!

Austin Mahone goes shirtless and shows off his fit body while filming a new commercial for FlavorSplash on Monday afternoon (January 13) in West Hollywood, Calif.

The 17-year-old singer later stopped by the lunch trunk to grab a bite to eat.

PHOTOS: Check out the latest pics of Austin Mahone

“Shooting my @FlavorSplash commercial today!!!” he tweeted. “.@FlavorSplash shoot day 1 is a wrap!!”

The week before, Austin was spotted touching down at Narita International Airport in Tokyo, Japan.

30+ pics inside of Austin Mahone walking around shirtless on set…