Last Night's Parties: "90210" Has A Wrap Party, Julia Roberts Hits A Premiere & More!

by Andrew Chen · March 19, 2012

Fergie and Josh Duhamel celebrate the launch of Don "DB" Brooks' Don-A-Matrix Training method; AnnaLynne McCord is honored at the Drawing Hope International Masquerade Gala; "Grey's Anatomy" hosts The Songs Beneath The Show benefit party; the beautiful people of "90210" have a Season 4 wrap party at Pink Taco; Jane Lynch hosts the kick-off event for Adopt The Arts; Julia Roberts and Lily Collins step out for the Los Angeles premiere of Mirror Mirror—St. Patrick's Day wasn't the only reason to have a party over the weekend, and we've got all the details on the biggest events that went down in Los Angeles and the notables who attended them in this edition of Last Night's Parties!

[Gillian Zinser, Jessica Lowndes, Shenae Grimes via]

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