Bryce Dallas Howard has given birth to her second child, daughter Beatrice Jean Howard-Gabel.

Director Ron Howard, 'The Help' actress' father, revealed on twitter that his daughter and her husband Seth Gabel - who already have four-year-old son Theo - welcomed Beatrice on Thursday (19.01.12).

He tweeted: "Beatrice Jean Howard-Gabel Born Jan 19 2012 8lbs 6oz Bryce & Baby B are spectacular Daddy Seth & brother Theo are beaming ear to ear :-) (sic)"

The 57-year-old director also thanked his 192,000 followers on the social networking site for their "kind tweets" about Bryce and Seth's latest arrival.

He wrote: "Beatrice's arrival is hugely exciting for our family Thanks for all the kind tweets folks. (sic)"

Bryce's youngster sister Paige also took to twitter to tweet her excitement about the news.

She wrote: "The news is out! Bea is the healthiest, most beautiful little angel-Theo is one VERY good older brother.

"Bryce, Seth, and Theo are SOO excited the little one has FINALLY arrived (sic)"