From St. Barts to Cabo San Lucas, see how Julianne Hough, Jessica Alba, Sofia Vergara and more are heating things up this winter
Updated: Friday Jan 04, 2013 | 06:00 AM EST
By: Kiran Hefa
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Following a chilly New Year's Eve in N.Y.C., the American Idol host joins his girlfriend for some fun in the sun, with a joint paddle-boarding session in St. Barts the day after New Year's.
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