From winning gold medals and setting a world record in London, to grabbing coffee in Rosewood, PA, with the swim team’s favorite shark, Missy Franklin — the four-time gold medalist — is set to guest star in an upcoming episode of ABC Family’s hit series PRETTY LITTLE LIARS, produced by Warner Horizon Television.Franklin became a household name during the 2012 Summer Olympics when she won four gold medals and one bronze. She currently holds the world record in the 200-meter backstroke and the U.S. record in both the 100-meter and 200-meter backstroke.