By Rose Walano
Updated: May 20, 2015 @ 4:35 pm
FameFlynet Pictures; EUBANK/SHAW/LABORE/

Summer's just around the corner, and celebrities know it! Rachel Bilson was spotted splashing around in the Barbadian waves wearing a black and silver two-piece, and Hayden Panettiere worked on her backhand in a brown string bikini while on vacation in Hawaii. Click through to see more of our favorite celebrity bikinis of 2012—so far!

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