Hilary Duff Carries A Passed Out Luca!

We guess all that walking tired the kid out!
Hilary Duff was spotted carrying her son Luca around and around!
Funny thing was he was seriously OUT like a light!
We wonder why the poor kid was so tired…
Long night out?
That can’t be it, right?
Right?!
Check out more amazing pictures of these two (below) !!!
[Image via WENN.]