Rachel Bilson Bikini Photos from Barbados posted by GCeleb · April 23, 2011 Filed under: BarbadosbikinibuttRachel Bilson Rachel Bilson and her boyfriend Hayden Christensen spent some time on vacation in Barbados. Rachel sported a sexy small two-piece bikini as she went swimming in the warm waters and enjoyed the tropical weather. Hayden is one lucky dude!