1 of 15
Holding King Charles cavalier spaniel Neal close, Liv Tyler heads to a Pilates class in Los Angeles on Wednesday. Do you think Neal joined in on the stretches? Some dogs have been known to!
2 of 15
Matthew McConaughey leaves pup BJ at home, instead opting for a beachside run in Malibu, Calif., on Monday with girlfriend Camila Alves’s pooch. BJ deserved the break!
3 of 15
Sharon Osbourne takes comfort in her furry friend (one of her 16 pooches!) after a night out with daughter Aimee (right) at the Chateau Marmont in West Hollywood on Wednesday.
4 of 15
PUPS ON BOARD
Make way for the cuteness! Hilary Duff keeps her pups comfy on Monday as she leaves the Gossip Girl set after a day of shooting in New York City. Her next stop? Attending the Britney Spears concert at Madison Square Garden that night.
5 of 15
Naomi Watts keeps son Sasha close – and Yorkie Bob on a short leash! – while enjoying some fun in the sun in Montauk, N.Y., on Sunday.
6 of 15
Coming through! Reality dad Jon Gosselin brakes for German shepherds Shoka and Nala on Sunday while driving an ATV through his family’s lawn in Wernersville, Pa.
7 of 15
Maybe she has Milk-Bones in her pocket? Jennifer Aniston stops to pet two pretty pooches near the New York City set of The Bounty on Friday.
8 of 15
STOP & SHOP
Ciara and petite pup Tyson step out for a day of shopping Saturday in Santa Monica, Calif.
9 of 15
High School Musical actress Olesya Rulin cuddles with a dog in need on the red carpet Saturday at Bow Wow WOW Hollywood, a fund-raiser for Los Angeles-based Much Love Animal Rescue.
10 of 15
90210 star Lori Loughlin shows off an adorable adoptable pet at Bow Wow WOW on Saturday. The event honored Priscilla Presley for her dedication and generosity toward animal causes.
11 of 15
Also in attendance at Bow Wow WOW? New dad – and dog owner – Jerry O’Connell, who stepped out to promote animal adoption.
12 of 15
DOG'S DAY OUT
Supermodel Gisele Bundchen – expecting her first child with husband Tom Brady this winter – cradles Yorkie Vida while shopping in Boston last week.
13 of 15
Twilight star Ashley Greene takes a break from filming to walk toy fox terrier Marlo through the streets of Vancouver, Canada, on Saturday. Meet Marlo here!
14 of 15
A dressed-down Rebecca Gayheart carries her two pups out of her Hollywood Hills home on Friday, days after her nude tape scandal with husband Eric Dane broke.
15 of 15
Full speed ahead! A skateboarding Kellan Lutz picks up the pace with some help from his four-legged friend, Kola, in Los Angeles last week.