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»

Jack Black and Shirley McLaine ham it up for the cameras at the premiere of their new movie; Kim Kardashian, Busy Philipps and more step out for Us Weekly's Hot Hollywood Style Issue event at Greystone; ASCAP presents their 2012 Pop Music awards to Katy Perry, Carly Simon, David Guetta and others; Emma Roberts and Julia Roberts make a movie premiere a stylish family affair; Rihanna sings for Steven Spielberg, Rita Wilson and many others in Hollywood to benefit breast cancer research—L.A. was hopping with events all over town Wednesday night and we have your details on the best ones that went down in this edition of Last Night's Parties. More»

Jaime King, Fergie and Chloe Moretz attend JustJared.com founder, Jared Eng's birthday party at Pink Taco; Ke$ha, Rose McGowan and Sophia Bush honor entertainment media that raises awareness on animal issues at the 26th Annual Genesis Awards; Kendra Wilkinson and Kim Kardashian celebrate Perez Hilton's birthday with a Mad Hatter-themed tea party at Siren Studios—the rain didn't stop Los Angeles from partying this weekend and we've got the details on the biggest events and the celebrities who attended them in this installment of Last Night's Parties! More»

Although we've had our, ahem, intellectual differences with Perez Hilton in the past, we'll give him the credit of acknowledging that any blogger who can turn themselves into a celebrity in their own right is clearly running an effective business. Writer, producer, publisher, self-promoter: it's a lot of hats to wear, and it should therefore come as no surprise that when Perez hit the big 3-4, he chose to celebrate with a wacky hat party. Let's see which celebrity guests didn't read the invites! More»

Go HERE for more photos by Kalyn Ryan and tag yourself and your friends!

Networking: the number one way to break into the fashion industry, as told by a group of ladies who all made it big in the field. On Saturday, a group of influential fashion insiders joined forces at Simply Stylist LA to create the networking opportunity of a lifetime for fashion industry hopefuls. Droves of chic ladies (and a few trendy dudes) were present, eager to learn from the pros and get some tips on how to keep your cool when your internship turns into something out of The Devil Wears Prada. More»

The 54th Annual Grammy Awards takes over the Staples Center; Paris Hilton and Afrojack attend EMI's Grammy after party; Tony Bennett and Diana Krall perform at Clive Davis and The Recording Academy's Pre-Grammy Gala; Ne-Yo and Compound Entertainment throw a Pre-Grammy midnight brunch; Kelly Clarkson and John Legend attend Sony Music Group's Grammy Reception at Cecconi's; Bruno Mars performs at Warner Music Group's Grammy Celebration hosted at Chateau; Jay-Z's Roc Nation holds a pre-Grammy brunch at Soho House; MusiCares honors Paul McCartney as person of the year and raises $6.5 million for artists; Cash Money Records holds their 3rd annual pre-Grammy Awards party with Lil Wayne and Drake; Flo-Rida and Pia Toscano rock the house at OK! Magazine's pre-Grammy event—Los Angeles was alive with music this weekend and we've got your inside scoop on all the festivities and the celebrities who attended them in this edition of Last Night's Parties! More»

Go HERE for more photos by Nik Williamson and tag yourself and your friends!

Here's the thing about Awards weekends: by the time the actual event, in this case the Grammy Awards, rolls around on Sunday, you're already so exhausted from the consistent rush of red carpets, open bars and live exclusive performances that not everybody still has their "A" game left over (see Minaj, Nicki). Luckily, everyone still had enough left in the tank on Friday, when actors and pop stars alike came out for OK! Magazine's pre-party at TRU Hollywood, featuring live performances by Flo Rida and Pia Toscano. 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»

Welcome to "Traveling With The 99%," our new guide to getting the most out of your holiday travel—whether you're going by plane, train, boat, or automobile. Today's topic: essential gear.

As you may have read this week, beloved actor and Ted Kennedy fetishist Alec Baldwin made news when he was kicked off an American Airlines flight Tuesday. No, it wasn't a Kevin Smith situation (Alec's actually looking pretty trim these days), but instead because he supposedly couldn't stop playing Words With Friends on his iPhone.

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• Everyone really excited for the Kendra Wilkinson sex tape? Some stills from the thespian masterpiece have been released to tie us all over until Vivid launches the video [TMZ]
• Rush Limbaugh is licking his wounds after learning yesterday of the Obama camp's snide rejection to his golf game invitation; to nurse his bruised ego the only way he knows how, he takes cheap shots at Bill Clinton [NYPost]
• Taylor Momsen has a really disturbing fixation with knives and feels compelled to carry them with her everywhere...  [NYPost]
• In response to the new immigration law, Mayor Villaraigosa is expected to sign an official boycott of Arizona which will bar all L.A. business and involvement with the state [Huffington Post]
• Now we can all see in writing how needy Rachel Uchitel is from the leaked text messages between her and David Boreanaz [Popeater]