Lara Stone, left, hangs out with Daria Werbowy in the St Barts shoot for H&M

Fun in the sun: Lara and fellow model Daria Werbowy hang out on the beach in St Barts for H&M

Summer things: Lara Stone (second from right) joins the girls for a splash in the surf in the new advert for H&M's swimwear 2010 collection

Beach babes: Lara strolls behind models Erin Wasson and Sasha Pivovarova in the crystal clear Caribbean