It was all about bright, summertime-appropriate looks out in the Hamptons over the weekend. From standout oranges and yellows to abstract prints, guests brought their fashion A-games to attend various events around town. Molly Sims opted for darker florals to host the 2nd Annual St. Barth Hamptons Gala, while Christie Brinkley turned heads in monochromatic solids. Click through to see their looks, as well as the other best dressed guests from the weekend.