Vanity Fair hosts an Oscar Party worthy of the entertainment gods; Kim Kardashian attends Elton John's glamorous Academy Awards viewing party; Petra Nemcova steps out for The Weinstein Company's Oscar after party; Pharrell Williams and Esperanza Spalding enjoy themselves at Hans Zimmer's post-awards show fete; Jean Dujardin gets his Oscar engraved at the Governors Ball—Awards season wasn't officially over until the Academy Awards after parties ended in the wee hours of this morning and we have  the details on the hottest events of the evening in this installment of Last Night's Parties, Oscar Night Edition! 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»

Amy Adams and Malin Ackerman attend Vanity Fair's 20th Anniversary Party; Taylor Swift and Zac Efron attend the L.A. premiere of "Lorax"; Bryan Cranston and Joel McHale honor writers; Emmanuelle Chriqui, Lance Bass and others perform in a 24 hour stage production; David Beckham wins at Cartoon Network's Hall Of Game Awards; Sofia Coppola hosts a launch party at Sowden House for the new Marni for H&M Collection—awards season is still in full swing and we've got the details on the weekend's parties in and around Los Angeles and the stars who attended in this edition of Last Night's Parties! More»

Jean Dujardin beats George Clooney for best actor and Mary Tyler Moore receives lifetime achievement award at the 18th Annual Screen Actors Guild Awards; Sofia Vergara and Meryl Streep have fun with friends at the Weinstein Company and Dewar's post-SAG Awards cocktail party at the Chateau Marmont; Amber Heard dazzles fans on the red carpet as Kelsey Grammer hosts the 64th Annual Directors Guild of America Awards; Katy Perry and professional party girl Paris Hilton kick off the grand opening of 1 OAK Las Vegas; 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»

Agyness Deyn, Manny Pacquiao rock with Black Rebel Motorcycle Club and AllSaints in Hollywood; Olivia Wilde, Eva Longoria and Zoe Saldana make their directorial debuts with Glamour and party at Chateau; Emma Stone, Michelle Williams George Clooney and Stacy Keibler step out for the Hollywood Film Awards; Jonah Hill screens his upcoming Fox series for some of the Apatow family; Aaron Eckhart comes out to support honorees for the bravest women in journalism—it was another busy night of parties and shmoozing in L.A. and it's only Tuesday but we can get through this week together. Let's hold hands as we walk you through today's edition of Last Night's Parties. More»

Rob McElhenney shows off his new svelte figure, while proud soon-to-be parents Charlie Day and Mary Elizabeth Ellis show off her baby bump at the premiere party for "It's Always Sunny in Philadelphia" and "The League" in Hollywood; Zooey Deschanel, Lea Michele, Jaime Pressly, Cory Monteith, and many more of the stars of FOX turn out for the network's Eco-Casino Party—New York Fashion Week may be going OFF right now but L.A. still had plenty celebs in town this week for some star-studded throwdowns, so get all the details in this edition of Last Night's Parties. [Danny DeVito, Charlie Day, Mary Elizabeth Ellis, Kaitlin Olson, Rob McElhenney photo via] More»