Gunnar Peterson, more: Meet Hollywood’s hottest fitness gurus

How do celebrities manage to look so fit and toned on the Golden Globes red carpet? TODAY style expert Lilliana Vazquez reveals some of the secrets of Hollywood’s hottest fitness trainers, including Gunnar Peterson, who shows her how to get a perky butt; Harley Pasternak, who works on her core; and Simone De La Rue, who helped Naomi Watts achieve amazing arms.Jan. 11, 2016