Celebrity Trainer Gives Tips for The Dogs
Gunnar Peterson, personal trainer to stars like Jennifer Lopez, Gwen Stefani and Penelope Cruz, has probably dealt with some real characters. Lately, though, he is taking on a whole new breed. Literally. Hill's Pet Nutrition has teamed up with multiple dog owner Gunnar Peterson to kick-off the 2007 Hill's PetFit Challenge, a weight loss program developed for cats and dogs. Gunnar says, "Many Read more








