Nothing marks the start of the holidays like seeing Mariah Carey all gussied up in a Santa Claus outfit for the Rockefeller Center Christmas Tree Lighting. While the tight, overly revealing dress that the pop star usually wears is miles away from the St. Nick get-up we remember fondly from our youth, we can appreciate celebrities who get into the festive spirit.
Check out stars like Katy Perry, Selena Gomez and more who don the red and white suit -- for better or for worse. Oh, and don't miss Matt Damon and Snoop Dogg's takes on the ugly Christmas sweater.
Celebrities In Christmas Gear
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