Julia Roberts brought back memories of her iconic Pretty Woman character Vivian Ward while attending her niece Emma Roberts’ wedding. For the wedding, Julia wore a navy and white polka dot dress from Self Portrait. Kristen Stewart and Julia Roberts at Emma Roberts’ wedding. Julia wore her hair pulled back into a French knot, similar to the hairstyle Vivian had in Pretty Woman. Stewart wore a black miniskirt, a cropped short sleeved button down shirt and a black baseball cap.