Carrie Underwood Announces She's Pregnant

PHOTO: Honoree Carrie Underwood, left, and husband Mike Fisher attend the TIME 100 Gala, TIMEs 100 most influential people in the world, at Jazz at Lincoln Center on April 29, 2014, in New York City. PlayBen Gabbe/Getty Images for TIME
WATCH Carrie Underwood Announces She's Pregnant

Puppies, babies -- Labor Day couldn't get any cuter for country star Carrie Underwood.

The "American Idol" alum, 31, revealed she's having a baby by posting a sweet picture with her dogs.

"In honor of "Labor" Day...Ace & Penny would like to make an announcement. Their parents couldn't be happier!" she wrote.

Read: Why Miranda Lambert Gave Carrie Underwood a Motorcycle

The picture features her two dogs wearing shirts, saying they are going to be a big brother and big sister to a new baby.

This is the first child for Underwood, who married hockey star Mike Fisher in 2010.