She may get paid big bucks to be a spokesperson for Dior, but Jennifer Lawrence was all about Jason Woo over the weekend. The actress attended the X-Men premiere in a blue velvet dress by Jason and she looked gorgeous! Blue seemed to be the trend in Hollywood because we spotted two other actors rocking the hue! Elizabeth Olsen stunned in a midnight blue dress by Elie Saab for the Godzilla premiere and Aaron Paul matched his baby blues to a navy suit and bowtie! Who do you think looks best in blue? Check out the photos here!