Oprah talks to Misty May-Treanor and Kerri Walsh.

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California girls Misty May-Treanor and Kerri Walsh left their opponents in the sand when they took home their second gold medal in Beijing.

Although they were locked in fierce competition, Misty says she and Kerri still had a blast. "That's why we're out there. You enjoy the sport," she says. "It's about being exciting. Seeing the faces on the fans after we win."

Even in the heat of competition, the dynamic duo says they always feel the spirit of their fans. "The energy totally helps. Especially when you're exhausted and you're hot, you feed off the energy," Kerri says.

Just because these Olympic Games are over doesn't mean Misty's ready to settle down. She's bringing her determination to a brand new arena—Dancing with the Stars! "I'm going to trade in my bikini for dancing shoes," Misty says.