AnnaLynne McCord happily showed off her bikini body while filming with her 90210 costars in LA yesterday. Shenae Grimes missed their beach fun once again, which makes it seem like Annie's troubles at West Beverly are just getting started. The girls did, however, have a newcomer in their midst. Hot, shirtless Trevor Donovan displayed his surfing skills as the new JFK Jr. type character who is introduced to the high school drama of sunny California.

To see more photos of the cast, including Jessica Stroup and Jessica Lowndes, just