Popsugar Fashion The O.c. Rachel Bilson Instagram Pictures 15 Reasons Rachel Bilson Is Every Fashion Girl's Must-Follow August 25, 2015 by Sarah Wasilak View On One Page Photo 10 of 15 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 10 She Always Credits Her Favorite Sundress Designers "Ulla-La! I Previous Next Start Slideshow The O.C.Hayden ChristensenRachel BilsonKarl LagerfeldChanelShoesFashion Instagrams