In the wake of Kim Richards' arrest for causing a drunken scene and kicking a cop at the Beverly Hills Hotel, many have wondered about what may have caused the proudly sober Housewife to fall off the wagon in such disastrous fashion.

Rumors about what drove Richards to drink have ranged from her distress over her ex-husband's medical problems to her anger with Lisa Vanderpump over comments made on the recent Housewives of Beverly Hills reunion show.