Exposing your décolletage and legs are not the only way to reveal a bit of skin, you can be just as sexy but far more subtle with a plunging back line. Hilary Swank and Madonna are on hand to show us how it’s done. Even though it’s behind you, give your back a bit of TLC before you bare all. Try scrubbing with Origins Paradise Found Balinese body glow beforehand to reveal glowing skin. You can recreate their back revealing looks with these backless offerings from ASOS. Make like Madonna in their red copy cat dress, yours for £30 (centre). If it's warm enough, backless can work just as well in the day time, try Killah's backless sweat top (£45, on the left) or the simple but oh-so-effective white scoop back top (£18).