Kristin Davis and Sarah Jessica Parker
10/14/2012 at 02:00 PM EDT
Sex and The Abbey!
Sarah Jessica Parker
and Kristin Davis
celebrated their agent Kevin Huvane at The Abbey in West Hollywood on Thursday.
Huvane – who had been presented with the Piaget Award of Inspiration at the Grey Goose hosted amfAR Inspiration Gala at Milk Studios earlier that evening – arrived with the Sex and the City
actresses just before 11 p.m.
"They didn't share any cosmos but were in good spirits, laughing with the others celebrating Huvane," an onlooker tells PEOPLE.
"Sarah and Kristin left together in the same car, which picked them up amid a crowd of excited fans and paparazzi," the source adds.
was also present for the celebration.
"He stood with friends by The Abbey's famed fireplace, sipping on clear, carbonated beverages for most of the night," the source says.
– Patrick Gomez