Life's a beach for the stars of "90210" -- who are still hitting the sand for shoots in mid-October!

AnnaLynne McCord, Jessica Stroup, Jessica Lowndes and Shenae Grimes were all filming scenes for this season of the show yesterday in L.A., where McCord slipped into a wetsuit before jumping into the water.

For more pics from next week's episode, check out our sneak peek gallery!

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