Amber Heard, Diana Agron and Raquel Welch join Vanity Fair and Montblanc at the Hotel Bel-Air; Harvey Weinstein, Jessica Chastain and James Cromwell celebrate the 40th anniversary of Charlie Chaplain's honorary Oscar; Kate Beckinsale, Chloe Moretz and Rooney Mara attend the Costume Designers Guild Awards; and Amanda Seyfried, Jennifer Carpenter and Richard Greico (!) walk the red carpet in Hollywood for the L.A. premiere of "Gone"; Pharrell hosts a dinner party with Bevy Smith, Terry Richardson, Usher, and Charlize Theron: check out all the details of what went down on "Fat" Tuesday in Last Night's Parties!

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Another week means another fashion week come and gone. Here now, we follow up last week's coverage of the opening day of Madrid Fashion Week by bringing you a wrap-up of the rest of the Spanish celebration of la moda. Seemingly less pretentious than New York Fashion Week or Paris Fashion Week, these runway showcasing designers' A/W 2012 collections are packed with vivid colors, whimsical designs and less than ordinary hair and makeup. Keep reading for all the highlights from the final days of Madrid Fashion Week 2012, including our favorite and least favorite shows, sneak peeks backstage, a front row who's who, street style and more. 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>>

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»

Paris and Fashion go hand-in hand, and neither disappointed the cads of stars in the fashion and entertainment world who jetted of to the City of Lights this past week. Everyone from Anne Hathaway to Kanye West, Alexa Chung, Kylie Minogue, Tina Turner and Kate Moss took part in Paris Couture week. More»