Actress Billie Lourd is now a mother.
Lourd managed to keep her pregnancy completely secret.
Lourd made the surprise announcement on her Instagram last night.
She revealed she recently welcomed a son with her fiancé Austen Rydell.
Lourd is the 28-year-old daughter of the late Carrie Fisher.
Lourd and Rydell named the baby Kingston Fisher Lourd Rydell.
