Olympic gymnast McKayla Maroney is making Instagram sweat, pantless and unbuttoned for a little weekend morning glory. The 25-year-old former athlete and vault queen, sparking X-rated comments this month with her Valentine's Day minidress and thigh-highs, was back to flaunting her killer body on Saturday and broadcasting it for her 1.3 million Instagram followers. McKayla, just yesterday showcasing her leotard flips as she revisited the 2012 Olympics, made it all about the love today. For the fans. Check it out below.