By Leah Abrahams
Updated Mar 06, 2012 @ 12:40 pm
Jon Hamm, Kristen Wiig
Credit: Dave Allocca/Startraksphoto

After Jon Hamm made a brief appearance on this weekend's Saturday Night Live, he reunited with cast member Kristen Wiig at The Top of The Standard Hotel for a New York Cinema Society-hosted bash celebrating their new film together, Friends With Kids. The stars appear as husband and wife in the movie, which was directed by Hamm's longtime partner, Jennifer Westfeldt. Click through the gallery to see more celebrities at last night's hottest events.