She's an avid Tweeter and had kept her fans and followers notified every step of the way through her second pregnancy.
So it came as no surprise when Myleene Klass decided to make her new baby's debut on her Twitter page.
The TV presenter posted a beautiful photo of herself and baby Hero Harper on her page this afternoon, with her eldest daughter, three-year-old Ava Bailey snuggled up beside her mother and her little sister.
And she captioned the photo, which was taken by her partner Graham Quinn, with: 'World meet Hero, Hero meet world! One whole week old today! (Dads the official photographer!)'
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