The 2012 American Music Awards are on ABC at 8/7c tonight! With artists including Taylor Swift, Justin Bieber, Carrie Underwood, Christina Aguilera, Carly Rae Jepsen, and Pink all scheduled to perform during the show, you won't want to miss a beat. The broadcast also marks the 40th anniversary of the AMAs, which Dick Clark created to compete with the Grammys—and Rihanna will battle for the top award of the night, Artist of the Year, against Bieber, Katy Perry, Maroon 5, and Drake. Tune in tonight to see what goes down, and stay on InStyle.com for live coverage!
Plus, see all the 2012 nominees!