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Demi Lovato

D Dipasupil/FilmMagic

Demi Lovato is showing no sign of slowing down this summer!

As if a U.S. tour and being the new judge on X Factor weren't enough, the 19-year-old "Skyscraper" singer has just signed on to host this year's Teen Choice Awards, it was announced on Monday.



Lovato will serve as ringleader for a show that promises to feature appearances by such popular peeps as Miley Cyrus, Zac Efron, Selena Gomez, Josh Hutcherson, Lea Michele and Taylor Swift as well as performances by No Doubt, Justin Bieber, Flo Rida and Carly Rae Jepsen.

Incidentally, Lovato herself will be competing in the "Choice Twit" category along with Cyrus, Bieber, Jimmy Fallon and Ryan Seacrest.

The Teen Choice Awards 2012 airs Sunday, July 22, on Fox.