carrie underwood

The lineup is epic!

Such an iconic performance.

Underwood is now a best-selling author.

Who is the fittest of the fit? When Underwood stopped by the "Tonight Show," Fallon offered up a challenge she couldn't resist.

What's your favorite Carrie Underwood song?

New stories about her childhood, her obsessions and her strange body marks are included in this collection of facts.

If eating fewer calories is good, how can eating even fewer calories be bad?

No time to exercise? Underwood has a solution in the form of an app that offers effective 30-minute workouts.

Her boys are OK, but the city was hit hard.

Underwood wrote the majority of her book between 2AM and 5AM, she says.

They REALLY want to do this.

She had no idea what she was doing.