Los Angeles|Party Crasher

Last Night's Parties: Nicole Richie, Jessica Alba Fete Simone Camille's Handbag Collection, Vin Diesel, Katee Sackhoff Premiere 'Riddick' & More

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Lauren Conrad puts a special twist on cocktails at the Malibu Island Spiced summer soiree hosted by PopSugar; Vin Diesel, Nolan Gerard Funk, Katee Sackhoff, Tricia Helfer and more hit the Riddick premiere and after party; Nicole Richie, Cara Santana and Jessica Alba join L.A.'s fashion set for the exclusive Simone Camille handbag trunk show at Just One Eye—see who was out and about for some midweek celebrations in this edition of Last Night's Parties.

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