Holly tweeted her happy news in the last few minutes - and revealed her baby daughter's lovely name. The delighted mum wrote:
'Thank you for all your support these last few days. Belle Baldwin finally arrived at 5:10pm today weighing 5lbs 2oz. She's amazing. X'
Holly's This Morning co-host Phillip Schofield was quick to tweet his congrats, saying:
'Congratulations @hollywills, Dan & Harry !!!'
He then added his own take on her news, writing:
'Holly doing well and a baby girl is also doing well. Born at 1710 this afternoon. Weighing in at 5lbs 2oz - tiny but a beauty!'
Proud dad Dan Baldwin also took to twitter to big-up his wife's stamina throughout her labour. He wrote:
'What a day. @hollywills was a star today. She was startlingly stupendously staggeringly special. Well done Mrs B nice work x'
We are so chuffed for Holly and her husband Dan and Belle's big brother Harry.
Welcome to the world, Belle!
What do you think of Holly's choice of name for her little girl? Do you have a Belle?