Robert Downey Jr. is going to be a dad again.
The "Iron Man" actor announced Wednesday via social media that he and wife Susan are expecting a baby girl.
On his Facebook page, Downey broke the news to fans by writing, " Um. I don't know if it's a 'man's world', but I'm certain women run it. Susan and I are therefore delighted to announce we are expecting a baby. Girl. November. Rdj."
In a separate post on Twitter, he wondered what the baby girl's zodiac sign will be.