Nick Kroll and Amy Poehler
06/07/2013 at 01:00 PM EDT
It's a Hollywood date night!
and her new beau, Nick Kroll, enjoyed each other's company at the AFI Life Achievement Award ceremony honoring funnyman and filmmaker Mel Brooks
at Hollywood's Dolby Theatre on Thursday night.
"Amy looked really happy and upbeat throughout the night – they were cozy," an observer tells PEOPLE. "I haven't seen Amy look this light and airy while out in a long, long time."
Poehler, who split from Arrested Development's Will Arnett
last September, and Kroll started dating
earlier this year.
The pair worked together when Kroll, a comedian, guest-starred on Poehler's NBC hit Parks and Recreation
in the recurring role of "The Douche."
Though Poehler – who shares two kids with Arnett, Archie, 4½, and Abel, 2½ – seems happy to be making her new relationship public, her ex has said dating seems "very scary."