Not even playing a fictionalized version of Anna Wintour could get Meryl Streep to attend. TheStewartofNY/Getty Images for 20th Century Studios The Met Gala, one of the most exclusive fashion events, was held on Monday. Over the years, some A-list stars have not been invited or have declined. Ryan Gosling, Dolly Parton, and Will Smith have never walked the Met Gala red carpet. The Met Gala, fashion's biggest night, draws out celebrities to show off the most iconic looks of their careers. Howev