Carrie Underwood "adding another fish to the pond"

posted by Mark Robertson - 

The 35-year-old singer shared the photo on Instagram Friday as she prepared to take to the Grand Ole Opry stage in Nashville, Tennessee.

“@ opry ❤️❤️❤️” Underwood captioned the post, which shows her standing backstage smiling with her hands placed below her growing belly.

Underwood, who’s already mom to 3-year-old son Isaiah Michael, broke the news on Wednesday in a video on Instagram.

@ opry ❤️❤️❤️

A post shared by Carrie Underwood (@carrieunderwood) on

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