Britain's biggest family just got bigger! Sue and Noel Radford's daughter Millie, 25, welcomes her fourth child as she marks son's 'safe arrival' with £500 giveaway

Britain's biggest family has a new addition after Millie Radford announced the birth of her fourth child with a £500 giveaway yesterday. Millie, who is Sue and Noel Radford's third daughter, shared three photographs of her newborn son, Cooper-Jax, on Instagram, writing he 'arrived at 4.16am' on Wednesday and weighed 7lb 7oz. The first picture showed baby Cooper-Jax, looking adorable in his personalised onesie, napping peacefully in his cot, while another snap taken at the hospital showed Millie, 25, sweetly hugging him. Millie's husband, Harley Passmore could be seen holding his son, who was swaddled in a blanket, in the third snap as members of the Radford family rushed to the comments section to congratulate the couple. 'Sweet baby boy,' wrote Millie's older sister, Chloe Radford. 'He is gorgeous,' gushed Cooper-Jax's grandparents, Sue and Noel. The second-eldest Radford child, Sophie's daughter Daisy-Mae said she 'can't wait to meet' Cooper-Jax in the comments section, as the Radford brood gets even bigger. On Thursday, Millie announced she had 'teamed up' with entrepreneur Ryan Buttigieg to 'give one lucky person £500' in honour of 'the safe arrival' of her 'beautiful baby boy', adding that the winner would be chosen within 24 hours. Britain's biggest family has a new addition after Millie Radford announced the birth of her fourth child with a £500 giveaway yesterday The first picture showed baby Cooper-Jax, looking adorable in his personalised onesie, napping peacefully in his cot Millie is the seventh child of Sue and Noel Radford, whose huge family was the subject of the highly popular Channel 5 series 22 Kids and Counting. The couple only decided to stop having children three years ago. However, the family continues to grow as their adult children start having children of their own, with Cooper-Jax's arrival making them grandparents for the 15th time. Millie first fell pregnant with an ex-boyfriend when she was 18 and gave birth to her daughter Ophelia in September 2020. The identity of Ophelia's father is not known, with Millie previously revealing 'he just wasn't happy to step up and be a dad, so he's never been named'.Millie started dating Harley while she was pregnant with Ophelia, and the couple welcomed their son, Chester, in February 2022. Millie announced the birth of her younger daughter, Elodie, in September 2023. In April 2024, Millie revealed Harley had gotten down on one knee and proposed during a trip to Disneyland in Florida, and the pair exchanged vows at Wennington Hall in Lancashire in November 2024. He said he met Millie when he was fixing the Radford family's roof. He needed to use their toilet and saw 'a beautiful girl' answer the door during an episode of 22 Kids and Counting in January 2025.Millie has previously said she does not plan to follow in her parents' footsteps when it comes to growing her family and has said that three children is enough. Millie's husband, Harley Passmore could be seen holding his son, who was swaddled in a blanket, in the third snap of her Instagram postEarlier this year, she told This Morning: 'I always say, "Why did my mum ever have more than three [kids]?'Never more than three [children], three is enough. When you have two, you've got enough hands; when you have three, you don't have that spare hand.' It comes after Millie's daughter Ophelia was rushed to the hospital last December after her whole family - including Chester, three, and Elodie, two, had become ill.She shared a photograph of Ophelia on her Instagram Stories on Sunday wrapped up in a blanket with flushed cheeks and explained: 'We're both so poorly, especially Ophelia. We were in the hospital until 4am.'Millie's husband Harley added: 'Ophelia and Millie are totally wiped out with the flu. Awful seeing them both like this.'Sue first met her now-husband Noel when she was seven, and fell pregnant with their first child, Christopher, when she was just 14 and Noel was 18.The couple have previously said they were determined to keep their first child, Chris, because they had both been adopted at birth.They were married four years after his birth, in Kendal, and moved in together. Their second child, Sophie, was born when Sue was 17.The age of consent for sexual activity in the UK is 16. In England and Wales, the age of sexual consent for women has been set at 16 since 1885, after campaigners fought to raise it from 13 to prevent child prostitution.The law says it is an offence for anyone to have any sexual activity with a person under the age of 16.However, Home Office guidance is clear that there is no intention to prosecute teenagers under the age of 16 where both mutually agree and where they are of a similar age.Between them, Sue and Noel are parents to Chris, 33, Sophie, 29, Chloe, 27, Jack, 25, Daniel, 24, Luke, 22, Millie, 25, Katie, 20, James, 19, Ellie, 17, Aimee, 16, Josh, 15, Max, 14, Tillie, 12, Oscar, 11, Casper, 10, Hallie, seven, Phoebe, six, Archie, five, Bonnie, four and Heidie, two.The parents tragically lost their 17th child, Alfie in July 2014. The family live in a large £240,000 Victorian house, a former care home, that they bought 11 years ago.Noel had a vasectomy during his wife's ninth pregnancy but had it reversed when they decided to have more children.