Robert Downey Jr walking outside his trailer smoking a cigar before being driven in his black Bentley to the film set of 'Iron Man 2'.
Los Angeles, California, USA - 06.04.09

The actor partied at the Beverly Hills Thompson Hotel in Los Angeles with his wife Susan, Gwyneth Paltrow, Jon Favreau and Sam Rockwell, who will join him for the new film.

Paltrow brought husband Chris Martin to the bash, which was also attended by the actor's pals Sting and Trudie Styler, Reese Witherspoon and Jake Gyllenhaal, and Ben Stiller and Christine Taylor.

The guests toasted the birthday boy with hot sake.

Source: WENN