Derek Hough, Miley Cyrus, Kendra Wilkinson and many more celebrate Maxim's Hot 100 of 2013 in Hollywood; Kelly Osbourne, Matthew Mosshart and Josh Flagg kick off amfAR's generationCURE to support HIV/AIDS research for a cure; Mark Mothersbaugh and a slew of other music industry giants help honor entertainment's most distinguished composers such as Mike Post, Cliff Martinez, and John Williams at the BMI Film & TV Awards; Mike Epps throws out the first pitch at Dodger Stadium—get the details on Hump Day's top happenings in this installment of Last Night's Parties.

Pop music's hottest  artists including Carly Rae Jepsen, Taylor Swift, Nicki Minaj and Justin Bieber hit the 2012 American Music Awards; Skrillex and Skylar Grey celebrate the AMAs with Interscope; The Wanted performs for Joanna Krupa, Kendra Wilkinson and others at Us Weekly's Music Party; Nikki Reed, Brad Goreski, Jenny McCarthy and many more hit Rolling Stone's AMA after party; Joel McHale, Seth Green and numerous other comedians help Variety honor Seth MacFarlane—get the details on who turned up where during this very busy weekend in L.A. in this edition of Last Night's Parties.

Busy Philipps, Zoe Deschanel, Ginnifer Goodwin [via]

Ginnifer Goodwin, Christina Hendricks, Zoe Deschanel and Judd Apatow help honor the finest achievements in TV; Alessandra Ambrosio and Christina Milian have their tots in tow at the Brave premiere; Keira Knightley, Drew Barrymore and Steve Carell step out for a screening of their new film; Ashley Tisdale and more hit  the viewing party for Bravo's "Miss Advised"—it was another busy Monday in L.A. with various events all over town, and we have all the details on what happened in this installment of Last Night's Parties. More»

From the Kardashians, to the Real Housewives, find out where all of the celebrities, Reality Stars, and washed up rockstars on the West Coast partied last weekend.

There's Diddy in Vegas on your left, and Fergie in the house on the right...

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Tom Cruise's teenage son "C-Squared" DJs a set for $10k with Cobra Starship and Lupe Fiasco at the Big Bang, Hollywood's biggest New Year's Eve party; "Real Housewives of Orange County" host a super blonde and sparkly NYE at The Beverly; Pamela Anderson, Kim Kardashian, and Fergie host NYE parties in Vegas; SBE celebrates the new year at the opening of yet another Hyde in Vegas with Lauren Conrad, Joe Jonas and more; Stevie Wonder delivers a NYE concert Vegas-style for Kyle Richards and Tyrese—open wide because we're giving you all the details on how familiar faces partied at the biggest blowouts here in L.A. and Vegas to ring in 2012 in this major installment of Last Night's Parties, New Year's Eve 2012 edition! More»

Go HERE for more photos by Desiree Ann and tag yourself and your friends!

In honor of her big new position at JustFabulous, last night Kimora Lee Simmons celebrated her latest fashion endeavor with an outdoor soiree at Sunset Tower, complete with iced-out baubles and an enormous pink pump centerpiece made of roses. More»

Ryan Gosling, George Clooney [via]

Ali Fedotowsky and GUESS raise awareness for breast cancer; Christina Milian, Jaime King and Djimon Hounsou celebrate Kimora Lee Simmons' new gig at Sunset Tower; Melissa Etheridge kicks off Pinktober month with Hard Rock; George Clooney and Ryan Gosling are total smokeshows at the premiere of Ides of March; More»

Go HERE and HERE for more photos by Kenneth Tsi and tag yourself and your friends!

In case you're living under a rock, it's still L.A. Fashion Week (it actually lasts for over just over two), which means we're only about halfway through. To help you get through everything that's been going on in honor of the big event, we've been serving up our overage in small doses. Here's our Part II roundup of what's happened so far. [Go HERE to get yourself up to speed with Part I]. More»