Exclusive: Actress Rachel Bilson showed off her tiny bikini body while on vacation with her beau Hayden Christensen on April 11, 2012 in Barbados. Hayden and Rachel splashed around in the ocean with her step mom Heather Medway, and her half-sisters Hattie and Rosemary.
( - Source: FameFlynet Pictures)
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Rachel Bilson and her sometimes fiancé Hayden Christensen were snapped living it up on a Barbados beach with Bilson's father's family. Earlier this week, Bilson went barefoot for TOMS' "One Day Without Shoes" campaign.