Neil Patrick Harris & David Burtka: Lady Gaga's Workshop Launch!

Neil Patrick Harris and David Burtka share a smile at the celebration launch of Gaga’s Workshop at Barneys New York on Monday (November 21) in New York City.

The 38-year-old How I Met Your Mother actor and his 36-year-old partner joined Modern Family‘s Jesse Tyler Ferguson and beau Justin Mikita.

PHOTOS: Check out the latest pics of Neil Patrick Harris

“Loving NYC! It’s chilly! It’s autumn,” Neil wrote on his Twitter over the weekend. “Only when I leave L.A. do I remember this whole ‘weather’ and ‘seasons’ thing…) #iwannamove.”

Also spotted at the event: stylists Brad Goreski and Nicola Formichetti.

10+ pictures inside of Neil Patrick Harris and David Burtka at Gaga’s Workshop…