30-year-old fashion designer Mary-Kate Olsen bared her petite frame while on vacation in Antibes, France with sister Ashley and husband Olivier Sarkozy!
Mary-Kate normally keeps her body under the cover of lots of baggy clothing however here she is wearing nothing but a bikini!
Mary-Kate famously battled an eating disorder in 2004:
give her a cheeseburger and fries, stat!