Lindsay Lohan, Aubrey O'Day and Christina Milian attend Star Magazine's "All Hollywood" event at the new AV Nightclub; Dan Aykroyd, Billy Bob Thornton, Jack Black and Joan Cusack show up to support John Cusack as he receives a long overdue star on the Hollywood Walk Of Fame; Jared Harris, Ioan Gruffudd, Mischa Barton and Suzanne Collins are among the names present for the private red carpet kickoff event for BritWeek 2012; Rita Moreno and Eva La Rue are honored at the 55th Annual Genii Awards. See how all of this and more went down in this Wednesday edition of Last Night's Parties! More»

Last night in NYC, Friends performed at Le Baron for part four of the Encore! Live Sessions, Chloe Sevigny and Adam Brody attended the after party for Damsels in Distress at the Soho Grand Hotel, Roma took the stage for Avenue A Soundcheck's Monday Rock series, Martin Scorsese honored Catherine Deneuve at the 39th annual Chaplin Award Gala, and so much more. Last night's parties were all about the music! 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>>

Miranda Kerr, Kate Winslet and Guy Pearce kick-off Australia Week; Kirsten Dunst, Brittany Snow, Elijah Wood and many others step out for The Art of Elysium; Sean Penn, Julia Roberts, Leonardo DiCaprio and more help raise funds for the Haiti relief effort; BAFTA hosts a tea party for awards season with Michelle Williams, Charlize Theron and a slew of other notables; Aziz Ansari, Paul Rudd and Seth Rogen throw their star power behind Hilarity for Charity to benefit the Alzheimer's Association—it was a fully-loaded weekend of star-studded events in L.A. that had (almost) nothing to do with the Golden Globes and we have the details in this edition of Last Night's Parties. 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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[Jon Hamm, Justin Timberlake, Hailee Steinfeld] Rachel Bilson and NYLON host dinner at a new restaurant for Ashlee Simpson and Shenae Grimes; Mia Moretti, Caitlin Moe, and Camilla Belle celebrate the reopening of a Chopard boutique with other diamond-lovers and champagne; Jessica Biel plays dinner host with Joe Zee at Chateau for Justin Timberlake, Hailee Steinfeld, Jon Hamm and more; Samantha Ronson and Nicole Richie party at Milk boutique's new pop-up shop; George Clooney, Cindy Crawford and others step out for Alexander Payne's new movie premiere—Tuesday night had plenty to keep this town busy, get all the details on what went down in this edition of Last Night's Parties. 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»

Jason Bateman, Jamie Foxx, Jennifer Aniston and many more of the biggest stars in comedy strut their stuff at the Horrible Bosses premiere; Brody Jenner asks Gavin Rossdale to sign his copy of Sixteen Stone (we speculate) at the Grand Opening for the redesigned Malibu Inn; Christina Ricci headlines a group of art enthusiasts checking out the decade-in-the-making group show opening at OH Wow Los Angeles—before you begin your holiday weekend bender, savor this last pre-4th of July edition of Last Night's Parties. More»