Sure, a low-cut gown exposing major cleavage causes a stir on red carpets, but if you ask us, there's nothing sexier than a bare back. An exposed back gives just the right amount of sex appeal while still managing to remain elegant.
Alessandra Ambrosio looked like a goddess dipped in gold at the Vanity Fair Oscars viewing and afterparty in 2013. The Victoria's Secret vet proudly showed off her slim back as she put all that modeling experience to good use. Check out the perfect pose!