Country star Carrie Underwood is set to become a first-time mum.
The Before He Cheats hitmaker, who is married to ice hockey player Mike Fisher, took to her Instagram.com account on America's Labor Day holiday on Monday (01Sep14) to share the exciting news with her followers.
She posted a photo of herself with her two dogs, sporting shirts revealing they are going to become a "big brother" and "big sister", and in the accompanying caption, she wrote, "In honor of 'Labor' Day, Ace & Penny would like to make an announcement. Their parents couldn't be happier..."
Underwood and Fisher wed in 2010.