Kevin Costner, Bill Paxton, Jena Malone and many other stars attend the screening of the high-profile, megabudget "Hatfields & McCoys" miniseries premiering on The History Channel; Pixar visionary John Lasseter and other big names in digital art and animation convene at the Samuel Goldwyn Theater to discuss the history and future of their field; Disney Star Daniel Curtis Lee celebrates his 21st with a bash on Hollywood & Highland; Hank Baskett hosts an athlete-packed charity golf tournament to fight lung cancer; and socialite and southern belle Tinsley Mortimer celebrates the release of her debut novel at the Trina Turk Boutique. Monday night's parties clearly had a little bit of everything, so read all about it in this edition of Last Night's Parties!

Bill Paxton at the "Hatfields & McCoys" Premiere [via] More»

Last night in NYC, Anna Wintour joined other fashionistas at the launch of Claiborne Swanson Frank's book American Beauty, Emma Roberts and Anna Faris attended Juicy Couture's fall 2012 presentation, Joe Fresh celebrated the opening of his global flagship store with Mayor Bloomberg, Longchamp and Paper Magazine celebrated spring in SoHo, and so much more! Last night's parties were all about the new collections. More»

Lindsay Lohan steps out for Domingo Zapata's Oscars art show; Emmy Rossum and Adrian Grenier attends Global Green USA's 9th annual pre-Oscar party; Eva Longoria hosts a pre-Oscar Flamenco party; Taylor Kitsch, Bella Thorne and Lynn Collins grace the red carpet for the John Carter Los Angeles premiere; Buzz Aldrin graces The Wrap's 2012 pre-Oscar party; Jennifer Aniston is honored with a star on the Hollywood Walk of Fame—the Oscars are right around the corner and we've got your details on Wednesday's pre-awards show fetes, plus the other events that went down across Los Angeles in this installment 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»

Lady Gaga, LL Cool J, and Katy Perry celebrate the nominees of the 2012 Grammys with a concert and after party; Amy Smart and Patti Stanger step out for the launch of a new jewelry collection at private cocktail party in Beverly Hills; Robert Downey Jr., Helen Mirren, Warren Beatty, Ben Stiller and others attend the 2011 BAFTA L.A. Britannia Awards—Miami is popping off with Art Basel, but there was still plenty of action in L.A. on Wednesday, so get all the details in this edition of Last Night's Parties.

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