"Idol" beauty Katharine McPhee gives us a song; Gnarls Barkley unveils a brand new video; Lauren, Heidi, AND Audrina come down from "The Hills" for a visit; we're taking a First Look at what The Game's up to; and Jennifer Lopez, herself, is hittin' us on the hip, if you will.
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Ready to Watch TRL, Season 15, Episode 17?