Jennifer Lawrence and Leonardo DiCaprio toast champagne while Charlize Theron and Bill Clinton trade fedoras backstage at the GLAAD Media Awards; Demetri Martin and Molly Ringwald debut their tomes at the Festival of Books; David Arquette and James Van Der Beek attend the Ballet Rubies Gala; Jeffrey Deitch, Ellen Pompeo and Terry Richardson hit up the "Yesssss!" 2013 MOCA Gala; the brothers Hemsworth aren't too cool for school at the City Year Los Angeles' Spring Break: Destination Education Party—were you at Coachella Weekend 2? These celebs weren't either. Check them all out at L.A.'s top events in this weekend edition of Last Night's Parties.

Star Magazine hosts the Hollywood Rocks party with Paris and Perez at Playhouse; Gwyneth Paltrow, Kim Kardashian and Stacy Keibler celebrate the opening of Tracy's Anderson's new fitness flagship studio; celebs and man's best friend party in an Anthropologie for Amber Riley's A Letter To My Dog book signing; Drew Barrymore and Lucky Magazine host the FABB West event for guests like Julianne Hough and Christa B. Allen; Dan Deacon and Tom Kuntz debut their "Bugs" exhibition at Sonos Studios—see who was out at Thursday's top events in this edition of Last Night's Parties.

Jeremy Renner, Zoe Saldana and Jennifer Lawrence attend the 2013 Film Independent Spirit Awards; Hilary Swank, Emmy Rossum and others do brunch with Montblanc to benefit UNICEF; Heidi Klum and Miranda Kerr are fashionable at the QVC "Red Carpet Style" event; the casts of Silver Linings Playbook and Django Unchained party with the Weinsteins at Soho House; Kim Kardashian, Gisele Bundchen, Jeffrey Deitch, Naomi Campbell and many others celebrate Mario Testino's PRISM exhibition preview; Anna Paquin and Stephen Moyer share a Pimm's Cup at the GREAT British Film Reception—we've covered Oscar night festivities at length, but there were loads of celebrations leading up to the big show all weekend and we have the details, guests lists and photos for you in this special pre-Oscar Weekend edition 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.

George Clooney belts out "Sweet Caroline" with Neil Diamond for Jane Fonda, Stacy Keibler and Nicky Hilton; Brian Grazer is honored by the Alfred Mann Foundation; Dita Von Teese, Marisa Tomei and Kristin Davis fete Cameron Silver's new fashion tome at Chateau Marmont; Jon Hamm, Anna Faris, Jeremy Renner and others attend the Reel Stories, Real Lives fundraiser; Travis Barker, Hugh Hefner and Brody Jenner help Snoop celebrate his birthday at the Playboy Mansion—it was quite the weekend here in L.A. and we have the rundown on the biggest and best events that went down in this edition of Last Night's Parties.

Sean Kingston and Chris Rene hit the stage at The Grove for an annual summer concert; George Hamilton and Carolyn Hennessy attend the opening night of musical La Cage Aux Follies; Dita Von Teese and Cointreau host a poolside soiree; Eli Manning, Jeremy Lin and Maria Sharapova hit up the ESPY Awards—Wednesday night in L.A. was filled with star-studded events, and we have all the details on what went down in this installment of Last Night's Parties.

Jeremy Lin at the ESPY Awards [via] More»

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»

Sucker Punch alums Abbie Cornish and Jamie Chung attend the 2012 Tribeca Film Festival reception at the Beverly Hilton Hotel; Jason Biggs, Alyson Hannigan and the rest of the original American Pie gang get together at Grauman's Chinese Theatre for the Los Angeles premiere of American Reunion; Kathy Griffin speaks on a panel at the Weinstein Company's screening of Bully—Monday night's parties got the week started off right in Los Angeles and we've got all the details in this edition of Last Night's Parties! More»

Go HERE for more photos by Jim Donnelly and tag yourself and your friends!

Wednesday night, entertainment's hottest rising talents filled Bardot for the annual NYLON May Young Hollywood Issue celebration. In case you missed it, keep reading to catch up with us and see who strutted the red carpet and worked it for the cameras. More»