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.

US Weekly's Annual Hot Hollywood Style Issue Party draws Chrissy Teigen, Kendra Wilkinson and James Van Der Beek; John Mayer, Flavor Flav, Dave Grohl and others perform and party at the 28th Annual Rock and Roll Hall of Fame Inductee Ceremony; Emily Blunt and Colin Firth premiere Arthur Newman then head to the after party with John Krasinski and others; Jesse Metcalfe and Josh Duhamel make waves at the Planet Ocean premiere party; Liberty Ross, Pixie Geldoof and Louise get some new sunnies at the Foundry and House Of Holland Eyewear Launch—take a gander at the grandeur of Thursday in your thank-god-it's-almost-the-weekend edition of Last Night's Parties!

Go HERE for more photos by Eric A. Reid and tag yourself and your friends!

Musicians, reality stars and other notables kicked off Grammy Weekend with OK! Magazine's annual star-studded Pre-Grammy party at new Hollywood hotspot Sound nightclub last night.

Justin Timberlake, Jessica Biel, Timbaland and Amy Adams attend Darren Le Gallo's art opening; Flo Rida and Kendra Wilkinson debate on who wore it better at OK! Magazine's pre-Grammy party; John Legend and Christina Milian hang with the Mayor at a music industry reception; L.A. Reid, Jeffery Katzenberg and Ciara party at Beacher's Madhouse with Epic Records; Gary Oldman, Harrison Ford and Billy Bob Thornton celebrate the opening of the Morrison Hotel Gallery by forming the ultimate boy band—okay, so they didn't form a boy band, but it's fun to pretend while getting the rundown on Thursday's top events in this installment of Last Night's Parties.

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

To celebrate British boy band The Wanted's 2012 American Music Awards nomination for the 'Favorite Band, Duo or Group' award, Us Weekly along with The Hollywood Agency threw a post-awards ceremony party at Lure Hollywood Sunday night. In addition to the band's AMA nod, the event also celebrated the mag's first ever music issue. Guests who came out such as Joanna Krupa, Jessica Sutta, Louise Roe, Kendra Wilkinson and many more were treated to a very special live performance by The Wanted over cocktails and appetizers. We were on the scene to capture the night, so click through the slideshow and enjoy more photos from Us Weekly's AMA after party.

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.

Cash Warren, Jessica Alba via, Jessica Stroup, Carmen Electra

Jessica Alba, Malin Akerman, and Danny DeVito are just a few to walk the green carpet and celebrate the environmental efforts of celebs; the "90210" cast and crew including Carmen Electra get down with some drinks, tacos and dancing to celebrate their 100th episode; Alex's Lemonade Stand Foundation raises over $500,000 for cancer research at its third annual event; Lure hosts the "Resident Evil 6" launch party—get the full rundown on weekend events in this edition of Last Night's Parties.

Jason Moore, Anna Kendrick, Rebel Wilson, Elizabeth Banks, Max Handleman [via]

Elizabeth Banks, Anna Kendrick and Brittany Snow come together at the premiere of Jason Moore's new movie Pitch Perfect; Chris Paul shows up with his wife and family to celebrate his GQ's October issue cover; "Dancing With The Stars" cast members grab some cocktails at Mixology 101 after last night's performance episode—join us as we bring you up to speed on Monday's top red carpet events in this installment of Last Night's Parties.

Go HERE for more photos by Casandra Campeas and tag yourself and your friends!

Between all the Fashion's Night Out chaos and MTV VMA's, it was a fully-loaded night here in L.A. so post-event destinations where our delicate celebrities and locals could take refuge and find some solace must have been in high demand. Not sure where they found that serenity but it certainly wasn't at L.A.'s infamous playground for adult misbehavior known as Chateau Marmont where InTouch Weekly hosted a late night VMA after party with fist-pump beats provided by the one and only Pauly D. More»

Go HERE for more photos by Casandra Campeas and tag yourself and your friends!

Between all the Fashion's Night Out chaos and MTV VMA's, it was a fully-loaded night here in L.A. so post-event destinations where our delicate celebrities and locals could take refuge and find some solace must have been in high demand. Not sure where they found that serenity but it certainly wasn't at L.A.'s infamous playground for adult misbehavior known as Chateau Marmont where InTouch Weekly hosted a late night VMA after party with fist-pump beats provided by the one and only Pauly D. MORE>>