VIDEO: Gwen Stefani: "4 in the Morning"

Recent "American Idol" mentor Gwen Stefani has released the second single from her current album "The Sweet Escape." The 80s-inspired song "4 in the Morning" is said to be one of Gwen's favorites on the new album.

The pop star will take part in "American Idol's" upcoming 2-hour special on April 25 titled "Idol Gives Back". The charity extravaganza will also feature appearances by Kelly Clarkson, Celine Dion, Annie Lennox, Il Divo and Pink.

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