Actor Hugh Grant has become a father for the second time.

The Four Weddings and 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 (16Feb13), 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."

According to Britain's Mail on Sunday, little Felix Chang Hong Grant was born on 29 December (12) at St. Mary's Hospital in Paddington, West London, but his birth wasn't registered until St. Valentine's Day (14Feb13).

The 52 year old and Hong first became parents in 2011 following the birth of daughter Tabitha.