The sweet photo shows a series of three images of her son Mack holding his new baby sister.
And, he certainly seems excited.
The television host revealed the sex of her baby in November during an appearance on Nova 969's Fitzy and Wippa.
'Do you know what you're having?' Wippa' asked the 39-year-old, to which she replied: ''It's a little girl!'
The birth of Scout came just days after Michael Willesee Jnr's father Mike passed away from throat cancer.
Despite the tragic news the family appear smitten with the new addition to their family.
