Rachel Bilson: Bikini Barbados Babe with Shirtless Hayden Christensen!

Rachel Bilson shows off her rockin’ bikini body while spending time on the beach with her shirtless boyfriend Hayden Christensen on Saturday (April 13) in Barbados.

The 31-year-old actress and the 31-year-old actor were spotted riding a boat pulled raft with some friends.

PHOTOS: Check out the latest pics of Rachel Bilson

The day after, Rachel and Hayden were seen doing some shopping together while on their vacation.

In case you missed it, check out Rachel looking beautiful on the cover of Cosmopolitan‘s May 2013 issue.

FYI: Rachel is wearing a M Missoni bikini.

10+ pictures inside of bikini-clad Rachel Bilson and shirtless Hayden Christensen on vacation in Barbados…