Last Night's Parties: Colin Firth, Robert Downey Jr. & Rachel McAdams Hit Movie Premieres, Mark Ronson DJs On Rodeo Drive & More!

by Emily Green · December 7, 2011

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.

[Guy Ritchie, Rachel McAdams, Jared Harris, Noomi Rapace, Robert Downey Jr. photo via]