Parties! The style, stars and scoop from Hollywood's hottest events

When legendary music producer Benny Medina (not pictured) celebrated his half century with an extravagant Casablanca-themed party at his estate in the Hollywood Hills, it was the perfect opportunity for new parents Nicole Richie and Joel Madden to enjoy a night on the town. Janet Jackson, Mischa Barton, John Mayer and Nicole's dad Lionel were also on hand for the lavish fete.