Kourtney Kardashian baby Mason Scott Disick hotel luggage coat

Kourtney Kardashian and her young son, Mason, left their New York hotel all bundled up for a full day of filming.

No doubt, Mason is rockin' designer baby clothes for his starring role in Kourtney And Kim Take New York. His little hood is beyond adorable!

Kourt and Mason weren't the only family members who faced the crowd outside the NY luxury hotel. See who left separately after the jump ...