Summer is a time for fun holiday dressing and showing a little more skin, especially if you have managed to develop a tan real or otherwise! So why not make the most of a golden glow like Bar Rafaeli with a super sexy backless dress. Bar chose to wear hers on the red carpet in Cannes which just proves they're a classy choice for any occasion! We found some similar dresses with extra special back detail from Motel Rocks. Shop her sexy back look below.