MTV vixen and USANA health brand lover Kristin Cavallari who is rumored to be joining Dancing with the Stars, gets in an early morning workout at LA’s West Hollywood Park and  fuels up with a healthy chocolate shake from the celeb-loved brand where  Mel B, Ali Landry, Jennie Garth, Kelli Rutherford and Giada de Laurentis are also fans.

Cavallari just ending her 10 month relationship and engagement to Chicago Bear QB Jay Cutler.