The British star gave birth to baby Hero three weeks ago and she recently tweeted her excitement at finally registering her birth.
She wrote: 'Today Hero 'officially' becomes a little civilian and gets registered. Excited.'
However one of her followers didn't seem to appreciate the name choice and wrote a message to her saying: 'Is there any chance you could change your mind and give her a name she might appreciate in ten years!'
But Myleene did not agree.
She wrote: 'Are you crazy?! Her name's amazing!'
Myleene and her fiance Graham Quinn chose the name as they love the Shakespeare play Much Ado About Nothing.