Stefani brightens up the streets of West Hollywood. Plus: Jenna Dewan-Tatum, Jennifer & Seraphina, Demi Lovato and more
Credit: Giulio Marcocchi/Startraks
Published: Thursday Dec 20, 2012 | 05:00 PM EST
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The X Factor judge Demi Lovato's ready for a sing-off Wednesday as the competition prepares to crown a winner at its Los Angeles studio.
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