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! More»

HBO kicked things off at Circa 55, where guests like Jane Fonda, Guy Pearce, and Ewan McGregor, and winner Claire Dane munched on beef tenderloin and sipped martinis. NBC had A-listers Jon Hamm, Colin Firth, and Nicole Richie schmoozing under the stars at the Beverly Hilton rooftop - right across from where Harvey Weinstein kept the company of Golden Globe winners Meryl Streep and Jean Dujardin, as well as Leo DiCaprio and countless other guests at his annual party. See this and so much more on our Golden Globes after party round up... MORE>>

After the awards ceremony winded down, celebrities dispersed into the night and the red carpets were rolled out yet again, mostly decking the halls of the Beverly Hilton, where the majority of Sunday's after parties were held. HBO kicked things off at Circa 55, where guests like Jane Fonda, Guy Pearce, and Ewan McGregor, and winner Claire Dane munched on beef tenderloin and sipped martinis. NBC had A-listers Jon Hamm, Colin Firth, and Nicole Richie schmoozing under the stars at the Beverly Hilton rooftop - right across from where Harvey Weinstein kept the company of Golden Globe winners Meryl Streep and Jean Dujardin, as well as Leo DiCaprio and countless other guests at his annual party. More»

[Ali Larter, Christina Hendricks, Elisabeth Moss via] Nikki Reed, Kristin Cavallari and Shenae Grimes get their gamer on at The Beverly for "Just Dance 3"; Jamie Kennedy, Cheech Marin and an eclectic collection of other Angelenos party for champagne at the Jackie Treehorn house from Lebowski; L.A.'s interior designers from TV get a first glimpse of The Rug Company showroom's makeover; Christina Hendricks, Ali Larter (with a super cute new short hair cut!) and more gussy up for Club Tacori's evening of jewels at Soho House— More»