Hilary Duff's Son Luca Knows He's Number 1

I don't usually go super crazy for babies, celebrity or otherwise, but for some reason I'm borderline obsessed with Hilary Duff's adorable son, Luca. Maybe it's because he sort of shares a name with Amelia's adorable dog Lucca, maybe it's because he's always dressed in stylish little outfits with a slightly incredulous look on his