Matt Damon: SoHo Stroll with Stella!

Matt Damon braves the cold as he takes his adorable daughter Stella for a stroll on Tuesday (October 9) in the SoHo neighborhood of New York City.

Later that evening, the 42-year-old actor showed support for his close friend Ben Affleck at the premiere of his new film Argo.

PHOTOS: Check out the latest pics of Matt Damon

In case you missed it, check out Matt and John Krasinski in the official trailer for their new movie Promised Land. Along with starring in the flick, Matt and John also wrote the screenplay!

FYI: Matt is using his Baby Jogger City Mini stroller!