Mary-Kate & Ashley Olsen 'Paddle & Party For Pink' in The Hamptons for Breast Cancer Research

Mary-Kate and Ashley Olsen pose with designer and co-host Lisa Perry while stepping out in style for the 2014 Hamptons Paddle & Party For Pink event held at a private home on Saturday (August 16) in North Haven, N.Y.

The 28-year-old twin sisters were also joined by Mary-Kate‘s fiance Olivier Sarkozy, as well as Molly Sims, Hilary Rhoda, and Katie Lee.

The fundraiser brought together hundreds of competitive paddle boarders, spectators, and guests in support of raising critical funds for the Breast Cancer Research Foundation.

FYI: Hilary and Katie are wearing Lisa Perry. Molly is also wearing Lisa Perry with LEVIEV earrings.

10+ pictures inside of Mary-Kate and Ashley Olsen in The Hamptons for a good cause…