Wizards of Waverly Place star Selena Gomez will perform with her band The Scene. Yes, Justin Bieber will appear at the bash. OneRepublic will also perform. Cuoco will assume hosting duties from Katy Perry, who handled the task last year.
Fox also revealed the nominees for the category of Choice Vampire. They are Twilight Saga stars Robert Pattinsonand Nikki Reed; True Blood favorite Alexander Skarsgard; and Nina Dobrev, Paul Weslay and Ian Somerhalder from the CW series Vampire Diaries.