Her boyfriend Gavin Henson, 24, the father of the newborn was present for the arrival of their first child.
"Charlotte and Gavin are over the moon. She's everything they wished for, I'm sure Charlotte's going to be a wonderful mum to her," the Sun quoted a pal, as saying.
Earlier, the couple had spent thousands of pounds turning their house into a family home, including a fully equipped nursery.
When asked when the two were planning to marry Charlotte said that it was "not on the agenda" for some time.