Pop Quiz: Match the Pup to Its Star!

Atticus, Sidi, Jack – you may know their names, but who are their owners? Test your knowledge on these canine companions to the stars. By Caryn Midler

  • I don't have to audition for my owner's affection. I'm her real-life duet partner, going wherever she goes. She is: | Katharine McPhee

CREDIT: Ginsburg / Spaly / Splash News Online

Published: Tuesday July 03, 2007 06:00 AM EDT

Q: 1 of 10

Correct Answer: Katharine McPhee

When not relaxing on McPhee's lap or participating in photo shoots, 1-year-old Chihuahua Nena travels in style – the singer recently dropped a bundle on a brand-new Coach dog carrier for her favorite travel companion. "She is like a baby," the former American Idol runner-up has said of her pooch.