Good Morning America Tone In 20

Behind the Hollywood hard body…

Watch the full Live video here on GMA’s Facebook page.

Why ‘fitness dating’ should be your goal in 2019
How Getting Enough Sleep Will Stop You Piling On The Holiday Lbs: Celeb Trainer Gunnar Peterson Speaks
If You Want to Strengthen Your Core, Try Celeb Trainer Gunnar Peterson’s 5-Move Workout
Holiday Defense on The TODAY Show
How Hollywood Trainer Gunnar Peterson Got Amber Heard ‘Aquaman’-Ready