Pink, Valerie Bertinelli and Melanie Griffith gather at Sony Studio's to help St. John's Health Centers raise funds for the The Margie Petersen Breast Center; Kristen Stewart, Robert Pattinson and the rest of the Twilight cast step out for the premiere of Breaking Dawn - Part 2; Jimmy Kimmel, Adam Levine, NeNe Leakes and more celebrate TV Guide's Annual Hot List at SkyBar—get the rundown on who was out and about at Monday's top events in this installment of Last Night's Parties.
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