TORONTO - This year's MuchMusic Video Awards will get a boost from the first-ever American Idol.

Two-time Grammy Award-winning pop singer Kelly Clarkson will perform at the June 21 bash in Toronto.

Five-time MMVA winners Billy Talent have also been added to the lineup, as well as Alexisonfire and Shiloh.

Electro diva Lady Gaga had already been announced as a performer, while Disney teen-poppers the Jonas Brothers will host and perform at the show.

Nickelback and R&B singer Danny Fernandes lead with five nominations going into the show, followed by Vancouver-based pop-punk band Marianas Trench with four nods.