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.
HAYDEN PANETTIERE
Terrier-mix Madison made her professional debut when she appeared with the Heroes star on the May cover of Animal Fair, but shared the inside spread with the New York-born actress's other pooch, Penny Lane.
Sidi was a 6-week-old stray living on the streets of Morocco when he was spotted by Bloom, who was in the African country shooting Kingdom of Heaven. in 2004. "He's so great," the actor said to PEOPLE after adopting the Lab mix. "Changed my life."
MISCHA BARTON
Ziggy, a Pomeranian-shih-tzu mix, has been basking in the glow of the paparazzi flashbulbs since joining the Barton family (which also includes a Cavalier King Charles spaniel named Charlie) last summer. "She's become really famous." Barton told Harper's Bazaar of her oft-photographed pup. "But she's actually very quiet – and well behaved – for someone so famous!"
Daisy, a Maltipoo sharing the same name as Simpson's character in her big-screen debut in Dukes of Hazzard, was a 24th birthday gift from then-husband Nick Lachey. Now that the singer is single, the pup serves as litmus test for future suitors. Says a source close to Simpson: "If you're in with Daisy, you're in with her!"
ADAM SANDLER
Beach-loving, snoring sidekick Matzoball, who was a wedding gift from Sandler's wife Jackie Titone in 2003, has a section of adamsander.com devoted specifically to his adorable antics and even served as cohost when the comedian filled in for an ailing David Letterman on The Late Show earlier this year. He was "kinda like the Ed McMahon of the show," Sandler said.