Demi Lovato has been 'unveiled' as the presenter of the Teen Choice Awards on July 22.

As revealed by various US press release receiving sites including Billboard, Demi will add to her already not-exactly-light schedule of judging The X Factor and per­form­ing on her summer North American tour by present­ing the event.

The ceremony — coin­cid­ent­ally another Fox show — will also feature per­form­ances from No Doubt (hurrah), Carly Rae Jepsen (hurrah) and Flo Rida.