So what do you do after you achieve Olympic gold? Guest star on a TV show, of course! Shawn Johnson is set to guest star on The Secret Life of the American Teenager, Access Hollywood reports. The show's producers offered her the gig when she told Us Weekly in an interview that she was a fan of the series. And she's not the only gold medalist who'll be making a small screen debut! Beach volleyball player Misty May-Treanor is scheduled to have a cameo on Wizards of Waverly Place.