Chrishell Stause is busy working her body to the max as she rehearses for her debut on Dancing with the Stars, but one look at her bikini body proves she’s already in terrific shape.The Selling Sunset star, 39, shared a swimsuit snapshot to Instagram posing on a yacht during a summer break and her physique is flawless. Wearing a red two-piece Chrishell smiled for the camera alongside her co-stars Heather Rae Young, Mary Fitzgerald, and Amanza Smith.RELATED: The famous exes and partners of the