Kaley Cuoco Kaley Cuoco

The Big Bang Theory star Kaley Cuoco will host the Teen Choice Awards, Fox announced Tuesday.

OneRepublic and Selena Gomez & the Scene have also joined the performer lineup for the 13th annual show.

Twilight, Glee, Vampire Diaries lead Teen Choice Awards nominations

Others slated to attend: Justin Bieber, Rose Byrne, Cameron Diaz, Tom Felton, Kat Graham, Lucy Hale, Ed Helms, Chris Hemsworth, Victoria Justice, Khloe Kardashian, Kim Kardashian, Kourtney Kardashian, Christopher Mintz-Plasse, Paul Wesley, Shane West and Shaun White.In addition, Fox revealed the final voting category: Choice Vampire. Wesley, Nina Dobrev, Robert Pattinson, Nikki Reed, Alexander Skarsgard and Ian Somerhalder are up for the award.The Teen Choice Awards airs live on Sunday, Aug. 7 at 8/7c on Fox.