As we are with many a celebrity wedding, we're just as interested in what the stylish guests are wearing as we are in getting a glimpse of the bride's dress. The latest A-list nuptials that have caught our attention? Jennifer Lawrence's wedding to art dealer Cooke Maroney, which took place this past Saturday at Belcourt of Newport, a mansion in Rhode Island. We've been waiting for this moment ever since Lawrence wore a wedding dress to her engagement party last May. It's rumored that Lawrence wore Dior for her nuptials, a natural move given her relationship as an ambassador for the fashion house. While we're waiting for photos to surface of the bride, we'll turn our attention to what the A-list guest list wore. Ashley Olsen attended on the arm of her boyfriend, Louis Eisner. The last outfit we documented of Olsen and Eisner together was decidedly more casual (only Olsen can make baggy pants and flats look that good ), so we're quite delighted to see how the pair does formal attire. Keep reading for details on her outfit and to see what the other attendees wore - dramatic dresses seem to be a theme!