The Hills frenemies play nice while filming in Beverly Hills. Plus: Miley, Halle & Pierce, Amy Poehler and more

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ZAC'S PACK

Selma Blair, Claire Danes, Maggie Gyllenhaal and Parker Posey step out in support of Zac Posen Thursday, where the designer debuted his new line for Target with a 24-hour shopping party in New York.