Baby news for one of Mamamia's favourite women...

A massive congratulations are in order for one of Mamamia’s favourite media personalities.

Former breakfast radio host and Show and Tell publisher​, Kat​i​e ‘Monty ​’​ Dimond, and partner Sam Cavanagh have welcomed a baby boy into the world.

Arlo Dimond Cavanagh was born yesterday, weighing 8 pounds 2 oz.

Show and Tell Online Instagrammed a picture of the new parents with the caption, “It’s a B O Y !! Two of the most incredible humans in the world have created Arlo Dimond Cavanagh. Born yesterday morning weighing 8 pounds 2 oz. He’s the luckiest little boy ever! Congrats Monty and Samee.”

Arlo was 6 days overdue, and over the past week it was clear Monty was more than ready for the day to come .

She Instagrammed a picture of a beanie a few days ago saying,”Beanie ready to put on my babies head. Now just need the baby #3daysoverdue #whereyoubeatkid”.

This is the second child for Monty and Sam​, who welcomed son Baxter into the world in November 2011.