Country Stars & Their PetsCarrie Underwood, Taylor Swift, and more of country music's biggest stars love showing off their four-legged friends

  • CARRIE UNDERWOOD photo | Carrie Underwood

Credit: Courtesy Carrie Underwood

Updated: Thursday Mar 29, 2012 | 05:45 AM EDT By: Katie Kauss

More from PEOPLE

1 of 15

CARRIE UNDERWOOD

"Guess who came to work with me today??" Underwood Tweeted, showing off the guests in question: pups Ace and Penny.