Today's a super exciting day for Austin Mahone: the singer is celebrating his 19th birthday! The singer is known for having an incredible voice, but he's also got a seriously ripped six-pack that we've always got to appreciate.
In honor of his big day, we've rounded up the hottest shirtless selfies and Instagram photos he's ever snapped. Trust us, he looks amazing.
Click through the gallery to take in Austin's best shirtless photos of all time. Then, make sure to wish him a happy birthday in the comments section below!