In November, the 'Born This Way' star gave one of her most revealing interviews ever, during which she admitted that she had an old-fashioned approach to sex. "Maybe sex isn't that big a deal anymore, but I don't have sex without monogamy," Gaga told Vanity Fair. "Maybe that's very old-fashioned. But still, the way men treat women in this society. How is it OK for a guy not to call a girl back after sex?" Picture: Annie Leibovitz exclusively for Vanity Fair.