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]

Mark Ronson Sean Hayes G-Star Emily Blunt BJ Novak Will Arnett Colin Firth Lauren Graham Rachel McAdams Mischa Barton Amber Heard Corbin Bleu ryan kwanten Jay Leno Guy Ritchie Pharrell Williams Robert Downey Jr. Clemence Poesy Jodie Foster Amanda Peet Clifton Collins Jr. Adam Scott Joel McHale Mindy Kaling Andrew Karpen Jenna Fischer Laura Prepon Joel Silver George Kotsiopoulos Mark Burnett Zelda Williams Fernanda Romero Christina Milian Joe Manganiello anton corbijn Ron Meyer Grey Damon Norman Lear Miles Teller Ed Helms Jacqui Ainsley Jeff Robinov Sue Kroll Regency Village Theatre Alison Sweeney Jared Harris Nick Offerman Laura Allen Aimee Garcia Jack Huston Susan Downey Sally Kellerman Gary Oldman Tinker Tailor Soldier Spy Tomas Alfredson Mark Strong Robyn Slovo Tinker Tailor Soldier Spy Premiere Tinker Tailor Soldier Spy Premiere & After Party Brenda Vaccaro Dawnn Lewis Edgar Wright G-Star Rodeo Drive G-Star Rodeo Drive Store Opening Gisella Marengo Haley Reinhart Tasya Van Ree Christian Oliver Nate Parker Sherlock Holmes: A Game Of Shadows Noomi Rapace Lin Dan Bruce Berman Richard Reid Max Von Sydow Sherlock Holmes: A Game Of Shadows Premiere NBC Universal Holiday Press Party NBC Universal Holiday Press Party 2011 Paul Lieberstein Robert Greenblatt