RUNWAY GOWNS CUSTOM-TWEAKED BY THE DESIGNER
"I'm gonna amp up my style by wearing things that are stretchier," Lively told PEOPLE. But instead of the elastic-waist pants route, the star goes haute couture, opting for a sparkly tulle Michael Kors gown with some stretch to it. "It needed minimal alterations," Kors explained. "In fact, we just added a slip. Blake looked beyond beautiful in it."