Chicagoans invade Santa Monica as Billy Zane and Chris O'Donnell attend the 25th Windy City Bash at Stella Rossa Pizza Bar; Emily Blunt and Ewan McGregor grace the red carpet at the premiere of Salmon Fishing In The Yemen; Zooey Deschanel turns on the awkward funniness at the PaleyFest 2012 "New Girl" panel—Monday night was filled with food, more showbiz affairs, and celebrities and we have the details on the events that happened in L.A. for you in this edition of Last Night's Parties. More»

Last night, Kristen Wiig and Jon Hamm partied on the Top of the Standard For the Friends With Kids after party, The Virgins played at Le Baron, Brad Goreski celebrated his big night at Tommy Hilfiger for his Born to Be Brad book launch, The School of American Ballet had their Winter Ball at the David H. Koch Theater, and so much more. Last night's parties were all about the glamor.

[Kristen Wiig, Jon Hamm via PMc] More»

Ginnifer Goodwin and Jennifer Morrison share teasers with fans at the 2012 PaleyFest's "Once Upon A Time" panel; Dustin Lance Black's "8" premieres on the West Coast with Brad Pitt and George Clooney as part of a celebrity cast reading; Sophia Bush and Maggie Grace honor The Cove's Richard O'Barry at a cocktail party in West Hollywood; Molly Sims and Milla Jovovich celebrate the launch of Gap Kids + DVF collection with Diane von Furstenberg at The Grove—there were plenty of noteworthy events over the 80-degree weekend in Los Angeles and we've got all the details on the best parties and happenings, as well as the celebrities who attended them in this installment of Last Night's Parties! More»

Over the weekend, Andy Warhol's Confections & Confessions exhibit opened at Affirmation Arts, Charlotte Kidd attended Max Snow's 100 Headless Women opening reception, Noel Fielding and Russell Brand hosted Amnesty International's Secret Policeman Ball at Radio City Music Hall, the Junior League held their annual Winter Ball at The Pierre Hotel, and so much more. Last night's parties were all about the rowdiness. More»

Cindy Crawford and Rande Gerber are busy playing host at the Caliche Rum launch event for guests like Jeremy Piven, Leonardo DiCaprio and our personal favorite, Paz De La Huerta; Melissa McCarthy and Chuck Lorre hit the Academy of Television Arts & Sciences their 21st annual Hall of Fame Ceremony; Tim and Eric go from the small screen to the silver screen at the premiere of their new movie in Hollywood; Weezy and Cee-Lo perform at a special event for Caesar's Palace in Las Vegas, but at Hollywood & Highland—L.A. was just warming things up for the weekend Thursday night and we have all the details (and another Paz photo!) in this edition of Last Night's Parties! More»

Last night, Peter Davis and Tinsley Mortimer attended the launch party for Scene Magazine, Mariah Carey and P Diddy performed at Gotham Hall, Chelsea Leyland and other foodies snacked on light dishes at the DOE Fund event, Olivia Thirlby looked stunning at the screening of Being Flynn,and so much more! Last night's parties were all about the drama. More»

Alexander Ludwig and Jacqueline Emerson celebrate NYLON Guys Magazine's March issue with cover boy and fellow Hunger Games costar Josh Hutcherson at Palihouse; the Directors Guild of America hosts the Los Angeles screening of Goon with Seann William Scott and Jay Baruchel; Todd Phillips' latest outrageous party movie, Project X, premieres at Grauman's Chinese Theatre with red carpet darlings Kylie and Kendall Jenner working it for the cameras—now that everyone's pretty much recovered from Oscar weekend, Hollywood events are picking up again  and we've got all the details on Wednesday's best and who made it to them in this installment of Last Night's Parties! More»

Last night, Brucennial presented the works of many young artists, Whitney Biennial had their official opening party, Andre Saraiva spun at Le Bain to celebrate French Oscar winning film, The Artist, the New Museum on the Bowery had a leap year party, Nick Cannon DJ'd for the one year anniversary at Teqa and so much more. Last night's parties were all about the art openings.

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Last night, Van Halen performed at Madison Square Garden, W.i.P. hosted the launch party for Lenay Dunn as American Rag's It Girl, Ristorante Asellina celebrated its one year anniversary, Questlove spun at Bushmills Honey Premier Party, Tinsley Mortimer and Erin Andrews joined NY Rangers players for a casino party at Gotham Hall, Soledad O'Brien hosted the Dance Theatre of Harlem's Vision Gala, CFDA's CEO, Steven Kolb discusses his fashion world experience, and so much more. Last night's parties were all about celebrating new beginnings.

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Last night, Alan Cummings sang a Lady Gaga medley at the New Group gala, BetaBeat celebrated The Pitch Series at Soho House, Patti Smith read excerpts from her new book, Woolgathering, Martha Stewart attended the "First View" of the Whitney Biennial, Pat Kiernan hosted trivia night at The Bell House, and so much more! Last night's parties were all about celebrating new beginnings. More»

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»