Julie Cooper did plenty of shocking things to merit her "bad mom" reputation, but one of her wildest was having an affair with Luke (who was a teen at the time!) while she was with Caleb.

The Juicy Couture tracksuit-clad, Bob Seger-loving matriarch of the Cooper family is a national treasure. Is Julie Cooper without flaw? No. Of course not. But come on, which The O.C. character is?