Gwen Stefani Goes Head to Toe in Holiday Plaid

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• Jennifer Lopez and Casper Smart had a PDA-filled dinner with the American Idol judges
• Just how much did Rooney Mara transform for The Girl With the Dragon Tattoo?
• The Kardashians reveal what their typical Christmas looks like
• Nina Garcia calls out the one item she'll never wear
• Glee's Naya Rivera shares a surprising struggle