Girls run the world, and Beyoncé rules the Met Gala. The singer has made a number of appearances at the star-studded event over the years, and she always manages to outdo herself. When the singer hits the red carpet, she makes sure that all eyes are on her. Whether she's flaunting her figure in a sexy latex dress or she's engaging in a little PDA with husband JAY-Z on the steps, she's proven time and time again that she's the "Queen Bey" of the Met Gala. As we cross our fingers for another impromptu appearance this year, look back at some of her best moments.