Country music star Carrie Underwood welcomes baby boy

Carrie Underwood is now a mom!

The country music star is now a new mom after giving birth to her son Isaiah on February 27. Underwood tweeted out an image of her newborn son Isaiah Michael Fisher's fingers on Tuesday.

Underwood, 31, is currently married to Nashville Predators player Mike Fisher. Brad Paisley accidentally revealed the sex of the child at the Country Music Awards, according to ABC News.

"Brad's got loose lips. He's a blabbermouth!" Underwood said, according to ABC News "So, I was like, 'I'm not gonna tell you until we're ready for the rest of the world to know, 'cause I know you'll tell people.'"

Underwood is best known for winning season four of "American Idol," from which she started her country music career. Some of Underwood's most popular songs include "Jesus Take The Wheel," "Blown Away," and "Before He Cheats."