January 05, 2012 10:30 PM

It’s time to burn off those holiday calories!

Stacy Keibler has come back from her vacation in Mexico with George Clooney, and she borrowed one of his best friends to hit the outdoors for a hike.

Dressed in GapFit athletic wear and looking ready to conquer L.A.’s Fryman Canyon, the former WWE star kept her spirits up on Thursday with the help of Clooney’s rescue dog, Einstein.

Having a buddy always makes a workout better!

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