It's a boy! Robbie Williams and wife Ayda Field welcome their second child into the world with another video

Popstar Robbie Williams has posted yet another video to his YouTube channel, featuring both him and his glowing wife, Ayda Field announcing the arrival of their newborn son.

Williams, 40, has posted several videos and Tweets in the past 36 hours, which include him singing to his bed-ridden wife, and Field dancing to the Iggy Azalea hit 'Fancy'.

In the eighth video, titled 'No Moms Were Harmed', a visibly tired and emotional Williams makes special mention of his wife's hard work over the past 24 hours.

"I've never been more in love. I've never been more proud of my wife," he said.

Williams and Field said they are yet to decide on a name for their little boy, who weighs in at eight pounds, two ounces.

"Every ounce counts," Field said.

Williams goes on to explain it has been a "very emotional, amazing few hours," for the couple and he hoped he and Field "made you laugh in the process".

A smiling Field chimes in with her well-wishes, saying "thank you for sharing it with us".

The couple have been married since 2010 and also have a two-year-old daughter, Teddy Rose.