Lana Del Rey and Emma Roberts hit up Soho House for a dinner in honor of CFDA darling Jason Wu; an extremely purple Kelly Osbourne and her dear mother Sharon party with furniture company Kreiss for their 75th anniversary; Mike D along with chef Roy Choi, installation artist Ben Jones and a free performance courtesy of Santigold shows L.A. that art parties trump all others at 'Transmission L.A.'—last night was a grab bag of events in L.A., from chic fashion dinner parties to original "90210" cast reunions, each pretty awesome in their own way, and have the details on them all in this installment of Last Night's Parties!

[Lana Del Rey, Jason Wu, Emma Roberts via]