Psy Performs at 2012 AMA's

Stevie Wonder Performs at 2012 AMA's

Swizz Beatz Performs at 2012 AMA's

Carrie Underwood Performs at 2012 AMA's

Pitbull Performs at 2012 AMA's

Christina Aguilera Performs at 2012 AMA's

Justin Bieber Performs at 2012 AMA's

Pink Performs at 2012 AMA's

Linkin Park Performs at 2012 AMA's

Nicki Minaj Performs at 2012 AMA's

Taylor Swift Performs at 2012 AMA's

No Doubt Performs at 2012 AMA's

Ke$ha Performs at 2012 AMA's

Kelly Clarkson Performs at 2012 AMA's

The Wanted Performs at 2012 AMA's

Carly Rae Jepsen Performs at 2012 AMA's

Usher Performs at 2012 AMA's