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Matthew Fox bared all when he shared his favorite spot to hit the beach. "When you're in Hawaii, the water is spectacular," says Fox. "Yes, I do go nude—and I coax other people to go nude as well. I have a reputation of being a skinny-dipper. I own it!"
What's the skinny on Fox's secret pastime? "I'm just under the impression that when you go swimming in very warm climates at night with friends, you go naked…don't you? Maybe it's just me."