media_removed_toofab 2013
Rachel Bilson's
starting to show! 

The actress showed off her growing baby bump in a strapless bikini top and matching bottoms while on vacation with boyfriend Hayden Christensen in Barbados on Monday.  

The brunette beauty looked gorgeous as she walked along the sandy beaches, with her new pregnancy curves fully on display.

The couple  -- who have been together for seven years -- began dating after they met on the set of their action flick "Jumper" in 2007. 

Bilson and Christensen were also briefly engaged in 2008, but called it off soon after. Just three months later, the "Hart of Dixie" star and the "Star Wars" actor were back together.  

We can't wait to see their bundle of joy when he or she gets here! 

What do you think of Rachel's baby bump? Sound off below and click "Launch Gallery" above to see even more celebrity beach bods!

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