Olivia Culpo seemed very compromised indeed as a bare bum flash from riverside shrubbery closed her weekend Instagram update. The 28-year-old former Miss Universe went for a giant dose of Instagram vs. Reality on Sunday, opening with goddess bikini snaps while sunbathing. Olivia did, however, admit that taking care of dog Olivier Sprinkles comes with its less-glamorous moments. The Sports Illustrated model went from "feeling cute today" to needing to "scale a cliff" – seemingly, with her thong swimwear making a cheeky appearance. Check it out below.