Bruno Mars plays a private show of James Brown and Journey covers for Gwen Stefani, Cameron Diaz, Britney Spears and more at the Playboy Mansion; Taylor Jacobson and Mischa Barton step out for the opening of the new GROWZE boutique; Adrien Brody attends the intimate screening of his film Detachment; Miss Piggy, Kermit, and the rest of their Muppet crew are immortalized with a star on the Hollywood Walk of Fame—Tuesday was popping all over Los Angeles and we have the details on what went down in this edition 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»