VIDEO : Katherine Waterston Announces Pregnancy at ?Fantastic Beasts? Premiere

On Tuesday, actress Katherine Waterston made a subtle announcement that she?s expecting a baby!
At the premiere of her new film ?Fantastic Beasts: The Crimes of Grindelwald,? Waterston showed off her growing baby bump, even cradling it.
According to Extra, the 38-year-old is expecting her first child, but the identity of the father is unknown.