The actress' mum confirmed the arrival of Dani's baby in the latest issue of Hello magazine, telling fans that "mother and baby are doing well."
Dani welcomed a daughter with boyfriend Simon Brough and the couple have named their little girl Avarie-Belle Betsy Brough. The publication also reveals that Avarie-Belle weighed 6lbs 9oz and arrived on Tuesday (28 June).
Dani's mum confirmed the news, saying: "Mother and baby are doing well – the baby is beautiful like her mother!"
27-year-old Dani first revealed she was pregnant back in January earlier this year. She took to Twitter to thank fans for their well wishes after announcing her baby news and tweeted: "Thank you all so much for your lovely tweets! Such an exciting time for me and @sbrough18 xxxx."
So far, Dani is yet to confirm her baby joy on social media. She hasn't tweeted since 27 June and her last Instagram post (a selfie with her beau Simon) was posted five days ago.
She's probably far too busy with a little one now on her hands, right?!
Simon, however, appeared to confirm the news by re-tweeting messages of congratulations. One tweet read: "Congratulations @sbrough18 and @MissDaniJHarmer on the birth of your daughter. Now to start planning all the playdates!"
While another from Dani's sister Betsy said: "A massive congrats to my gorgeous sister @MissDaniJHarmer and @sbrough18 on the birth of Avarie-Bellé. the most perfect human being ever!"
Dani is best known for her role as Tracey Beaker in the CBBC show The Story of Tracy Beaker. She also competed in the 2012 series of Strictly Come Dancing where she finished in fourth place after being paired with Vincent Simone.
She and Simon have been dating for over a year.
Follow us on Twitter @RevealMag for all your celeb, fashion and beauty news!
Fancy winning some GREAT prizes? Check out Reveal Competitions here!