Rachel Bilson -- Bikini Cowgirl
Rachel Bilson Bikini Cowgirl
8/23/2010 7:30 AM PT

Wearing a cowboy hat and an itsy bitsy, teenie weenie red and black bikini, fomer "O.C." star Rachel Bilson heated up the beach in Hawaii this weekend.

Aloha.
Wearing a cowboy hat and an itsy bitsy, teenie weenie red and black bikini, fomer "O.C." star Rachel Bilson heated up the beach in Hawaii this weekend.
Aloha.