Rachel Bilson and Adam Brody’s Reunion Will Make You Miss The O.C. Even More August 14, 2019 2Spendless.comMusic & Entertainment Section Seth and Summer together again! Rachel Bilson bumped into The O.C. co-star Adam Brody at the airport on Tuesday and shared a picture of the mini-reunion on Instagram. “Ran… E! Online (US) – TV News SPECIAL TIP UPDATE!