07/13/2011 09:54 am ET Updated Sep 12, 2011

AnnaLynne McCord Sports Retro Bikini for '90210' (PHOTOS)

AnnaLynne McCord wore a retro bikini to shoot scenes for 90210 on the beach in LA yesterday. After a few months off from filming, AnnaLynne is back to work on the CW drama, though the characters are no longer high school students after graduation at the end of last season.

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