Daughtry

Put up your devil horns — American Idol's Top 4 are about to rock.

Legendary Guns N' Roses lead guitarist Slash will guide the crooners through all things rock 'n' roll as the week's celebrity mentor. Slash, who's sold 100 million albums and earned seven Grammy nods for his various projects, is currently working on a solo album and with his current band, Velvet Revolver.

Once the Top 4 have put their spin on some rock classics, No Doubt and Daughtry will grace the stage to keep the fist-pumping energy going on results night. No Doubt is read more 23 Comments

David Cook isn't the only American Idol alum heading to Las Vegas for New Year's.

Season 5 graduate and best-seller Chris Daughtry and his band will join Cook at ...
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