The Project host, who was born in Adelaide, South Australia, shared on Instagram that her bundle of joy arrived safely into the world.
“Welcome to the world little ADELAIDE (or Addie as your siblings have already started calling you) We are absolutely besotted with you,” the post read.
The 38-year-old shares three-year-old daughter Evie with partner Chris.
Bickmore also had 11-year-old son Oliver with husband Greg Lange, who tragically died from brain cancer in 2010.
This article originally appeared on WHO.