updated 11/11/2011 AT 1:00 PM ET
•originally published 01/22/2012 AT 11:05 AM ET
Looks like big brother Theo guessed right!
Bryce Dallas Howard and husband Seth Gabel welcomed a daughter on Thursday, Bryce’s proud father, movie director Ron Howard, Tweeted on Sunday.
“Beatrice Jean Howard-Gabel Born Jan 19 2012 8lbs 6oz Bryce & Baby B are spectacular Daddy Seth & brother Theo are beaming ear to ear :-) ” the filmmaker announced Sunday.
In August, The Help star, 30, told Jay Leno that her 4½-year-old son predicted that his new sibling was going to be a girl, but she and Gabel kept mum even after finding out the sex of the baby in September.