Pharrell Williams, Katy Perry, Rachel Zoe, Wolfgang Puck, and many others step out for MOCA's 35th Anniversary Gala Presented By Louis Vuitton; Lea Michele, Selena Gomez, Cody Simpson, Adam Sandler, and dozens of other stars join host Mark Wahlberg at Nickelodeon's 27th Annual Kids' Choice Awards; Emma Roberts, Kathy Bates, Evan Peters and fellow "American Horror Story" stars hit the PaleyFest closing night—get the details on the weekend's top L.A. events in this edition of Last Night's Parties.

Chloe Sevigny Katy Perry Emma Roberts Chris Rock moby Derek Blasberg david lachapelle Travis Barker Rachel Zoe Selena Gomez Rachel Roy Rashida Jones Jane Fonda Rose McGowan Dita Von Teese Andy Samberg Diane Warren Michael Strahan Cameron Silver Sarah Paulson Kristen Bell Cat Deeley John Baldessari Jeremy Scott Liz Goldwyn Eva Longoria Will Arnett LL Cool J Kim Gordon Kathy Hilton Lily Donaldson lea michele David Hasselhoff Dasha Zhukova morgan freeman Isabel Lucas America Ferrera Mark Wahlberg Patricia Arquette Debby Ryan christian serratos Matt Lanter Gabourey Sidibe Elisabetta Canalis Ryan Seacrest Madison Pettis Janie Bryant China Chow Tracee Ellis Ross Wolfgang Puck Pharrell Williams Robert Downey Jr. Owen Wilson Fred Armisen Kendra Wilkinson Dianna Agron Perrey Reeves Adam Sandler Paul Wesley Joanna Krupa Brad Goreski Kate Mulleavy Laura Mulleavy Rodger Berman kesha Kate Mara Todrick Hall Ariana Grande Kaley Cuoco Jim Parsons Tim Allen Daryl Wein Zoe Lister Jones Eli Broad Shepard Fairey Tia Mowry Aloe Blacc Haley Bennett Christina Milian Gia Coppola Denis O'Hare Katie Cleary Ed Ruscha Bella Thorne Drake Bell Guinevere van Seenus Charlotte Ross Jayma Mays Colbie Caillat James Maslow Peta Murgatroyd Carrie Keagan Tricia Helfer The Geffen Contemporary at MOCA Angela Bassett Phoebe Tonkin Brooke Davenport Nathan Kress Fabiola Beracasa