United Kingdom, May 13 -- Carrie Underwood is often "covered in dirt [and] poop" when she's at home on her farm.

The 43-year-old country music star is made to feel like "Cinderella at the ball" when she's working - but Carrie admits that her home life is dramatically different.

She told Us Weekly: "When I'm away [for work], I'm like Cinderella at the ball. I'm a princess, and it's great.

"And then I come home, and I'm covered in dirt [and] poop. It's just the polar opposite. I'm cleaning up after everybody and barefoot in the kitchen."

Carrie - who lives on a 400-acre farm in Franklin, Tennessee - added: "I wouldn't have it any other way."

The singer - who has sons Isaiah, 11, and Jacob, seven, with husband Mike Fisher - admits that ...