2010 Justin Bieber

U Smile , Up , That Should Be Me

He performed a medley with Usher, his mentor, proving he wasn't just a studio product but a kid who could actually play the drums and guitar. 2010 justin bieber

He appeared as the musical guest (and in sketches), showing a self-deprecating humor that made even the "Bieber Haters" acknowledge his charm. U Smile , Up , That Should Be