Hollywood Holidays

'Tis the Season! Celebs Spread Holiday Cheer

Blake Shelton! Mariah Carey! Taylor Swift! See who's got enough spirit to be Santa's helper

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TAYLOR SWIFT

Let there be light! The Red singer is red-y for the holidays as she gets the Westfield London shopping center's Christmas display up and glowing on Nov. 6. "Got to help switch on the lights at Westfield tonight in London and lots of people showed up and we played a few songs and I had fun," she wrote.