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Jessica Alba and Charlize Theron gathered  at the Soho House in West Hollywood for Eve Ensler’s V-Day Cocktails and Conversation event, which The Vagina Monologues writer hosted to raise awareness about violence against women and girls. “Time to make a real difference! Follow/support @eveensler and @VDay,” Tweeted Theron. See more stars at last night’s hottest parties in the gallery!