Rachel Bilson: Bikini Babe in Barbados!

Rachel Bilson wears a red bikini while going for a swim in the ocean on Saturday (April 23) in Barbados.

The 29-year-old actress enjoyed a day out with boyfriend Hayden Christensen, who celebrated his 30th birthday earlier in the week.

The couple also stopped by a fruit stand to pick up some produce.

The day before, Rachel and Hayden flew in from NYC and soaked up the sun with another trip to the beach.

10+ pictures inside of Rachel Bilson and Hayden Christensen at the beach…