
Kate Upton will do anything for her fans -- even strip down to a bikini when it's 35 degrees below zero.
Kate recently did a secret photo shoot for Sports Illustrated in Antarctica. On a 10-day cruise, they shot pics with icebergs in the background and even some on an icy island with penguins bopping around.
Don't worry about frostbite, though -- Kate covered up in warm furs and bared her assets for only a few minutes at a time.
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