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This former Playboy Playmate is heating things up amidst the cold weather that has spread across the U.S..

Sara Jean Underwood took to Snapchat to share with her followers that she was taking a soak in the hot tub.

Related: Sara Underwood loves the great outdoors, she also loves not wearing clothes

The 2007 Playboy Playmate of the Year has one of the hottest accounts on Instagram and now, with this on her Snapchat, she proves that she’s a must-follow on all platforms.

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