Liv Tyler: Milo's Birthday Walk!

Liv Tyler keeps herself warm in a trench coat while walking with her cute son Milo on Friday (December 14) in New York City.

On the same day, the 35-year-old actress celebrated Milo‘s birthday at her house and was greeted by her ex-husband Royston Langdon.

PHOTOS: Check out the latest pics of Liv Tyler

The night before, Liv was all dressed up while attending An Intimate Night of Jazz at Lincoln Center.

Earlier in the week, Liv dolled up while attending the after party for Django Unchained in the Big Apple.

20+ pictures inside of Liv Tyler taking a stroll with Milo…