Real Housewives of Beverly Hills stars Adrienne Maloof and Paul Nassif have each filed divorce petitions against one another. TMZ.com reported that even though Paul is the one who filed for legal separation in July, Adrienne first filed for divorce this week citing irreconcilable differences. Paul listed the same reason in his subsequent petition and both said they want joint legal and physical custody of their three children. They also acknowledge that there is a prenup in place.