Married to pop star Britney Spears for two years, Kevin revealed that depression played a big part in his overeating.
"Once you get depressed, you don't really feel like doing anything. You're kind of discouraged about yourself and then the weight gain too, or that makes me more depressed," he said. "I mean, it's a combination of all of those things."
HuffPost Entertainment is your one-stop shop for celebrity news, hilarious late-night bits, industry and awards coverage and more — sent right to your inbox six days a week. Learn more