'Jersey Shore' Star Sammi 'Sweetheart' Slims Down for New Season

Workouts were also key to slimming down. "I do soccer drills -- I jog a lap, then sprint, jog the rest of the way, then sprint again."

"You have to look good in Miami because beautiful people are everywhere you look! You don't want to turn into a slob," Sammi says.

And what's the girls answer to the boys GTL -- gym, tan, laundry? "HNT -- hair, nails, tan!" she explains.

For more photos of Sammi and the skinny on how she lost 15 pounds, pick up this week's issue of Life & Style, on newsstands now.