No one would say Blake Lively
ever looked anything short of amazing, but after getting into supervillain-worthy shape for her role in The Green Lantern
, her body is insane! Her secret? Celebrity trainer Bobby Strom
's circuit workouts. "This was new for herBlake had never done a regimented routine with a trainer before," says Strom. "Believe it or not her body began to change in only three weeks!"
Lisa TilsonMore Fitness! Movie Star Workouts