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Olympian Ryan Lochte And "Dancing With The Stars" Pro Cheryl Burke Rehearse With The Cast Of "O" By Cirque du Soleil

LAS VEGAS, NV - SEPTEMBER 30: Olympian Ryan Lochte (L) performs in the pool at the "O" theater with "O by Cirque du Soleil" performer Christina Jones as Lochte and dancer Cheryl Burke (not pictured) rehearse for their "Dancing with the Stars" performance with the cast of "O" at the Bellagio on September 30, 2016 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images for Cirque du Soleil)

Ryan Lochte making waves in London

Swimming superstar Ryan Lochte won the first U.S. gold medal of the London 2012 Olympics. How many more can he bring home?