Nikki Bella prepares to rumble with a satisfying stretch to warm up her muscles. The America's Got Talent: Extreme host posted photos of her pre-match preps, sharing the "fearless Nikki" with her game face on.
Read on to learn about the activities that help her stay in shape, as well as the photographs that prove they work—and don't forget to check out the 30 Top Celebrity Swimsuit Moments to become beach-ready too!