The 26-year-old musician — who turns 27 this week! — will be performing hits “Call Me Maybe” and “This Kiss” during the show.
Make sure to tune in to the 2012 American Music Awards TONIGHT at 8PM ET/PT on ABC!
FYI: Carly is wearing a Gomez Gracia dress with Brian Atwood heels. She completed her look with Effy jewelry and an Edie Parker clutch.