The 46-year-old actress was joined at the event by Anjelica Huston, Armie Hammer with his wife Elizabeth Chambers, Dustin Hoffman, Jim Carrey, Julie Bowen, Laura Dern, Ryan Seacrest, and Liberty Ross.
The celebrities in attendance helped celebrate the 50th anniversary of the Los Angeles County Museum of Art.
FYI: Naomi is wearing a Marchesa dress.
10+ pictures inside of Naomi Watts, Liev Scheiber and more at the big bash in L.A… More Here! »