2. Val Kilmer
This Hollywood heartthrob was once the action star that everyone wanted a piece of. From his role in The Saint to his turn at Batman, he was on his way up. But the chiseled torso that used to win the hearts of women the world over has been smothered under layers of fat. His weight has gone up and down over the years, showing that it is as much a struggle for him as it is for everyone else.