These Celebrities Went Through Intense Body Transformations - Page 38 of 61

Ronnie Ortiz

PHOTO: L: SHUTTERSTOCK/ /CARARIE-NELSON R: LOOKDAMNGOOD.COM

After starring on MTV’s Jersey Shore for six seasons, Ortiz had problems with kidney stones, which resulted in significant weight gain. To get it back under control, he had to commit to five or six workouts a week, combining cardio and weights to replace fat with muscle.