Last Night's Parties: Sienna Miller, Barbra Streisand Are Guests Of Honor, Xtina Steps Out For A Bolthouse Video Game Launch & More!

by Emily Green · November 9, 2011

[Christina Aguilera, Mathew Rutler via] Sienna Miller gets honored for her humanitarian work; Christina Aguilera, David Arquette and some others step out for a very Bolthouse video game launch blowout; Malcolm McDowell, Bob Weinstein and more have a post-premiere celebration at The Little Door; Babs Streisand is honored at the Cedars-Sinai Board of Governors gala—there was quite a range of events last night, let's discuss in this edition of Last Night's Parties.

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