Rachel Bilson Apologizes to The O.C. Co-Star and Director Tate Donovan for Being an "A--hole"

Rachel Bilson apologizes to her The O.C. co-star Tate Donovan for 'being an a**hole' on set

Rachel Bilson dons baggy dress and pigtails for coffee run in Santa Monica

Rachel Bilson says there was no drama on The O.C. set in the beginning