It's no secret that Hilary Duff's son Luca is too cute for words—as evidenced by the plethora of pics on the proud mama's Instagram.
The actress' only child, whose father is Duff's estranged husband Mike Comrie, turned three years old last month and he's getting bigger by the day!
So does the blond beauty hope to give her son a sibling in the future? E! News caught up with the former child star, who is currently promoting her TV series Younger, as well as her new single "Sparks," to get the scoop on the possibility of baby No. 2 in addition to the mother of one's thoughts on her toddler entering showbiz.