Taking to Instagram to share the news, the House Rules and Better Homes & Gardens host revealed that the next generation of her family is now on the way.
"Huge Congratulations to this gorgeous couple! Our youngest son Joe and his beautiful partner Katie are going to become parents in February," wrote Joh. "Todd and I are beyond excited to be grandparents, and my mum Leigh is to officially be known as 'GG' going forward!"
"Talk about exciting times ahead. My work colleagues have already dubbed me Joh-Nanna.. which might just stick! 🍼🎉❤️#congratulations#nextgenerationontheway #sopumped#parentstobe #grandparentstobe#GreatGrandmaLeigh #bringiton#getteadyforbabyspam"
Huge congrats to grandparents-to-be Joh and Todd, and of course the expectant parents themselves! Very exciting!