Julianne Hough's Trainer Spills the Star's Bikini Secrets

When it comes to health and fitness, we know that Julianne Hough likes to mix things up. And after talking to her trainer, Astrid McGuire, it seems like Julianne will try just about anything to stay in shape - as long as it's fun! Keep watching to learn how Julianne stays fit both in and out of the gym, plus her secret to healthy snacking.