Prima Baby columnist Myleene Klass, introduced her daughter to the world via Twitter on Friday 1st April, with a gorgeous photograph of herself with her two daughters.
The caption posted along side the snap jokingly stated " World meet Hero, Hero meet world! One whole week old today! (Dads the official photographer!)"
Myleene, 32, gave birth to her second child with fiancé Graham Quinn on Friday 25th March. They already have a daughter Ava.
Myleene has been documenting her pregnancy in her Prima Baby celebrity column, since it was announced back in September 2010. Her latest installment is in the April issue on sale now .