Olympic gymnast Nastia Liukin is bending over wet-haired in a bikini and making it a "Hot Girl Summer" with her massive thigh gap – in March. The 31-year-old five-time Olympic medalist, fresh from hosting the 12th annual Nastia Cup in Indianapolis ahead of the weekend, was back to showing off her Gold Medal body on Sunday, grinding her 1 million Instagram followers down with bikini action and thirst trapping it up for a summer gear-up. Check out the action below.