Everyone's favorite GIF-generating actress, Jennifer Lawrence , will be using her funny faces and red carpet antics for a good cause next year. The Oscar winner has been announced as one of the co-chairs of the 2015 Met Gala. Joining her will be Gong Li , Marissa Mayer, Wendi Murdoch and, of course, Anna Wintour . Still, we all know, rules or no rules, the 24-year-old is going to be the most entertaining part of the arrivals.