Clarkson, Usher to Perform at Billboard Awards

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Kelly Clarkson, Usher, Linkin Park and Nelly Furtado have just been confirmed to perform at this year's Billboard Music Awards, airing live from the MGM Grand Garden Arena in Las Vegas May 20, on ABC.

Clarkson, Usher, Linkin Park and Furtado join the list of previously announced performers including Justin Bieber, Cee Lo Green, Carrie Underwood, LMFAO and The Wanted.

Related: 'Modern Family' Stars to Host Award Show

Chart-toppers Adele, Rihanna, LMFAO, Lady Gaga and Lil Wayne are the top nominated artists of the night, with Adele taking the lead as a finalist in 18 award categories.

Video: Behind-the-Scenes with Kelly Clarkson

Modern Family stars Julie Bowen and Ty Burrell will host this year's awards.