James Marsden makes beautiful babies!
The 30 Rock star had a baby with model
Liz Lemon Rose Costa back in December, and we're just now getting our first look at the lad!
And naturally William Luca is totes adorable! He's just a little round ball of cute!
In fact, he's so sweet that James can't even leave him in the stroller!
Of course, the X-Men star might just be keeping William close so he'll be ready when the little guy's mutant powers kick in!
Does super cuteness count as a mutation?
[Image via AKM-GSI.]