Olivia Munn had to get in shape for he X-Men role, so she started a workout routine. Here she discusses her workouts and diets with Women’s Health.

Men’s Fitness.com lists eight celebrity guys whose health could benefit from shrinking their waistline.

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Michael Moore
Age: 54
In his words: “Actually, when I go home to Michigan, I’m one of the skinny guys.”

The sizeable filmmaker made us take a long hard look at the nation’s health care system in his controversial documentary Sicko. Weighing in at just over 300 pounds, Moore would be wise to examine his own health as closely, especially since he’s now in his mid-50s. To his credit, Moore has reportedly made attempts to shed the pounds through lifting weights, eating smarter, and getting more sleep. He’s also been quoted as saying he’d like to get down to 225 pounds.
Least Fit Moment
During a 2007 interview with New York Magazine, Moore was asked if he lost any weight prior to the release of Sicko to avoid being called a hypocrite by the critics. His response: “Not at all. [Losing weight] actually works against me. . . . See, as I’ve gained weight over the years, I’ve become more popular. You can really track the box office going up as I put on the pounds: Roger & Me, $7 million. Bowling for Columbine, $21 million. Fahrenheit, $120 million.”

Kevin Smith
Age: 37
In his words: “I’ve never been a drinker or drugger, but where I’ve historically indulged like Tony Montana?was with junk food. I never had a bowl of cereal; I’d eat a box.”

The brilliant filmmaker who brought us Clerks, Mallrats, and Dogma, has always been a guy who swims in self-deprecation when it comes to his body image. But Smith’s family history?of diabetes scared the director into shedding over 20 pounds in 2007. We give the guy all the credit in the world for paying attention to hereditary health risks — and we’re willing to bet Smith will stick to his new lifestyle and drop a few more pounds.
Least Fit Moment
In 2007, Smith revealed in his blog the real reason why he can’t lose weight: “I don’t have a weight problem. There are people who can work their asses off to lose weight?only to find that their genetics conspire against their best efforts. I’m not one of those people. I can lose weight?— I just have a problem with getting off my fat ass. What can I say? I’m just a lazy fuck.”

Kevin Smith probably sums up why many people struggle with weight loss. Laziness will get you every time.