A source told the Daily Mirror: “The baby came a few days earlier than planned but the actual birth went well and both mum and tot are doing great.”
Madonna, who split from the Sherlock Holmes director in 2008 after 8 years of marriage, was quick to send her congratulations and sent a huge congratulatory bouquet of flowers to the happy parents.
“Madonna sent her congratulations. Rocco, Lourdes , and adopted youngsters, David and Mercy are all being introduced to the new arrival within the next couple of weeks,” the added.
“Both Guy and Madonna are determined to be grown-up about it and remain on friendly terms.”
Guy Ritchie, 42, and Jacqui Ainsley, 29, started dating last year but kept their relationship secret, until the model was seen leaving his London residence in June 2010, in the morning.
The British director has an 11-year-old son, Rocco, and adopted 5-year-old son, David, with his ex-wife, Madonna.
Jacqui is a successful model, having posed for brands such as Samsung, Sunsilk, Virgin Atlantic and Myla Lingerie. She also had a small role in the James Bond movie Die Another Day.
[Photo: You Tube]