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»

Alexander Ludwig and Jacqueline Emerson celebrate NYLON Guys Magazine's March issue with cover boy and fellow Hunger Games costar Josh Hutcherson at Palihouse; the Directors Guild of America hosts the Los Angeles screening of Goon with Seann William Scott and Jay Baruchel; Todd Phillips' latest outrageous party movie, Project X, premieres at Grauman's Chinese Theatre with red carpet darlings Kylie and Kendall Jenner working it for the cameras—now that everyone's pretty much recovered from Oscar weekend, Hollywood events are picking up again  and we've got all the details on Wednesday's best and who made it to them in this installment of Last Night's Parties! More»

Dita Von Teese, Jenna Elfman and more hit Luis Barajas and Emmy Rossum's Winter feast/cocktail party; Starz! rolls out the black carpet for the premiere of new original series "Spartacus Vengeance" in Hollywood; John Baldessari, Joel Silver, and Diane Keaton step of for the debut of Rodarte's newest collaboration with LACMA; Steve Aoki has a record release party; Mr. & Mrs. Smith throw a chichi launch party for their new travel guide book at Soho House; the Winklevi turn up at Connor Cruise's 17th bday bash at the Clippers game—it was just another Wednesday night L.A., let's discuss in this edition of Last Night's Parties. More»

Guy Ritchie, Rachel McAdams, Jared Harris, Noomi Rapace, Robert Downey Jr.

Colin Firth, Gary Oldman and Emily Blunt celebrate the Tinker Tailor Soldier Spy premiere; Mark Ronson DJs the G-Star Rodeo Drive store opening for a slew of scenesters; Guy Ritchie, Robert Downey Jr. and Rachel McAdams step out for the Sherlock Holmes premiere; Mindy Kaling, Ed Helms, Will Arnett and Adam Scott attend an NBC Universal holiday party—it all went down Tuesday in L.A., get your details in this edition of Last Night's Parties. More»

Wolfgang Puck hosts brunch for Les Moonves and Nobuyuki Matsuhisa; Harry Potter wins big at Spike TV's sixth annual SCREAM Awards; Nicole Richie and other honor Justin Timberlake is for being especially green; Scott Caan and Jason Mraz are recognized for their commitment to the Life Rolls On Foundation; Usher and Bono perform while Lady Gaga has a her "first Marilyn moment" as she serenades the former president at the 10th anniversary gala of Bill Clinton's Foundation; More»

Toby Maguire, Leonardo DiCaprio, Jeffrey Katzenberg

The hottest ticket in town tonight, and likely ever, is a coveted Staples Center floor seat to Game 7.  No really, they're actually going for upwards of $82,000 a pop. So just who are these golden ticket-holders whose kids' college tuition would be taken care of just by selling their seats on the wood to tonight's game? More»

• The only way Lindsay Lohan has a chance of not being arrested is if she can get on a flight from Cannes (highly unlikely due to volcanic ash), where she's busy partying and being a non-contributor promoting her Linda Lovelace film, and be back in L.A. in time for her court hearing on Thursday [TMZ]
• Sean Penn is much, much too busy with hearings on Haiti and flirting with models at Miami clubs into the wee hours to be bothered with attending that silly Cannes thing where he has a movie premiering [NYPost]
• Oh, snap! Mayor Villaraigosa totally went there yesterday before the Game 1 of the Lakers-Suns Western Conference Finals, offering a wager to Phoenix Mayor Phil Gordon and adding, "...we look forward to welcoming Steve [Nash] to our team the next time he forgets to carry his passport with him" [KTLA]
• Watch out Wall Street, mega-producer Joel Silver is suing Goldman Sachs for upwards of $30 million, a sum which the Hollywood heavyweight claims the firm has failed to pay according to the terms of an agreement made in 2007 [THR]
• Kitson, the famed Robertson boutique that's multiplied with several new locations, has filed a lawsuit against its own accessories licensee for selling cheap knockoffs of the brand's signature bags bearing its trademark [WWD]