Ashley Olsen took a simple black strapless Christian Dior dress up a notch with puffy sleeves at tonight's Met Gala red carpet. She was in stark contrast to her sister Mary-Kate, who wore a vintage red number. Mary-Kate and Ashley Olsen have been Met Gala staples for years, and in 2009 Ashley had her then-boyfriend Justin Bartha as her date. What do you think of her look this time around? Weigh in on all the 2011 Met Gala red-carpet pictures with Fab and Bella's live love it or leave it polls!