Hugh Grant is a dad again

Actor Hugh Grant is a father for the second time.

The Four Weddings & a Funeral star's on/off girlfriend Tinglan Hong has given birth to a baby boy.

Grant announced the happy news via Twitter.com on Saturday, posting, "In answer to some journos (journalists), am thrilled my daughter now has a brother. Adore them both to an uncool degree. They have a fab mum."

He later added, "And to be crystal clear. I am the Daddy."

The 52 year old and Hong first became parents in 2011.

Details of the newborn's name and his exact date of birth have not been released.