Harley Pasternak, a celebrity trainer and nutrition expert who’s worked with stars like Halle Berry, Robert Pattinson and Lady Gaga, hosted a Fitbit-sponsored workout event on Wall Street in honor of ...

“Change is what keeps the body developing,” Pasternak says. “Keep changing [your routine] up all the time. We expose the body to stimulus and it’s forced to adapt. That’s where we see the gain.

Discover how Ariana Grande maintains her iconic physique and high-energy performance levels using the ""Fantastic Five"" ...

The secret is out! In an exclusive new interview with Life & Style Weekly, celebrity trainer Harley Pasternak revealed his best fitness tips that help his A-list clientele out with their No. 1 problem ...

Harley Pasternak usually spends his time training celebrities like Ariana Grande, Rihanna, Robert Pattinson and Seth Rogen, but lately, he’s also been focused on how to stay in shape while stuck at ...

Harley Pasternak has been the go-to trainer for Hollywood's biggest stars hoping to transform their bodies for several decades now. The celebrity trainer was the force behind many of the most ...

Us Weekly: What’s the biggest mistake people make with New Year’s resolutions? Harley Pasternak: I think too much too quickly. You know, they’ve been sedentary over the holidays, not eating well, and ...

Celebrity trainer Harley Pasternak says small steps can go a long way Blink, and you’ll miss it! That’s how quickly stars get back in shape after welcoming a baby, but celebrity trainer Harley ...

It took a few months before I finally realized that my new normal really wasn’t so normal. For much of the summer I woke up ...

What do Ariana Grande, Nina Dobrev, and Behati Prinsloo have in common? Other than being talented, badass women, they share the same celebrity trainer: Harley Pasternak. So now for your next question: ...

Celebrity nutritionist and trainer Harley Pasternak is one of the best in the game, and it really comes down to his approach to all things fitness and health. His method offers a path to maintenance ...

Celebrity trainer Harley Pasternak reveals how your outfit can fuel your fitness while celebrating the opening of Vuori Studio in L.A. Fashion meets fitness! Celebrity trainer Harley Pasternak sat ...