There's never a dull moment in everyone's favorite Beverly Hills zip code, and season four of 90210 has been just as scandalous as ever. From Dixon's drug addiction to Annie's nights as a paid escort, it seems that everyone has a secret this year. Have you been paying attention to everything that's going on? Take the midseason quiz!
Photos courtesy of The CW
90210 Midseason Quiz!
What is the name of Liam's new bar?