Star's Best Friend

By LESLEY MESSER

UPDATED 05/05/2008 at 01:00 AM EDT • Originally published 05/05/2008 at 01:00 AM EDT

JESSICA SIMPSON & DAISY
She named her maltipoo after Daisy Duke, her Dukes of Hazzard role.

JAKE GYLLENHAAL & ATTICUS
His German shepherd mix is named for To Kill a Mockingbird's Atticus Finch.

JESSICA ALBA & BOWIE
She is having a girl this summer, but Alba is already mom to her pit bull and two pugs.

ASHLEY TISDALE & MAUI
The High School Musical star's maltipoo goes with her everywhere, from shopping in L.A. to filming in Utah.

BLAKE LIVELY & PENNY
Psst ... did you hear about the bitch on the Gossip Girl set? It's Lively's puppy Penny.

HOT DOG OF THE MOMENT

RIHANNA & OLIVER
She's known for setting style trends, but the pop star's best accessory is her precious pup.

ADAM SANDLER & MATZO BALL
"When I leave a room, my dog just gets up and follows me," Sandler told PEOPLE last year about his bulldog.