Every four years the whole world watches as top beach volleyball players heat up the sand and the 2012 Summer Olympics are no exception! Shape got the scoop on how April Ross and Jennifer Kessy stay in such amazing shape. After they didn't make the Olympics in 2008, the duo committed to slimming down with a combination of hot yoga, circuit training, and running. Watch the video to find out more of their workout secrets as well as what they eat to stay fit and energized. Click here for more celebrity workout secrets and to discover who will top our list of the 10 Hottest Stars of Summer.