Ellen DeGeneres is very much in the Halloween spirit. She's been scaring stars left and right who visit her show, and her latest victim is Carrie Underwood.

Carrie sat down with Ellen to talk about motherhood, and her adorable new son Isaiah. She says of her son, "He's the sweetest, smiliest baby ever. So that's a blessing when you're waking up three o'clock in the morning, and he's smiling at you."

The country star also played a game of "Is It A Country Song Or Not," where Ellen gave Carrie song titles, along with Country artists, and asked her to decide if it was a real Country song or not. And at the very end of the game, Ellen scared Carrie as a man in a plaid shirt, jeans, and a cowboy hat crept up behind her.

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Watch Carrie Underwood on "The Ellen Show" above!