Sun's Out, Buns Out! Emily Ratajkowski Goes Completely Nude in Sexy Snap from Her Mexican Vacation

Emily Ratajkowski took skinny dipping to a whole other level on Sunday when she shared a shot of herself in the buff while lounging in a rocky pool of water. "La Sirena," the 25-year-old model captioned the shot, using the Spanish term for mermaid. Ratajkowski is currently vacationing in Mexico. Earlier on Sunday, she shared a shot of herself in a green bikini, looking incredibly tanned and wearing her ubiquitous gold body chain. Ratajkowski is no stranger to showing off her nude body on Instagr...