Jake Gyllenhaal

Jake Gyllenhaal takes his German Shepherd Atticus to an L.A. dog park. Looks like Jake is even popular with the hounds! He got lots of attention from parkgoers as he launched tennis ball after tennis ball for the dogs to chase after.

Jessica Biel

Jessica Biel plays with her new Pit Bull puppy on a beach in Malibu. Not sure who's dog that other one is. Puppy looks so happy!

Rachel Bilson

Rachel Bilson walks her pooch Penny Lane in Los Angeles. I'll bet she's having a hard time dealing with her split from both Adam Brody and their shared dogs. Looks like she's keeping Penny and he's keeping Thurmen Murmen.

Jessica Alba

Jessica Alba shoots a new Revlon commercial with her Pit Bull Bowie. Both look like natural cover girls to me.

Jessica Biel

Looks like Jessica Biel has found her favorite breed. She left a recent photoshoot with a new Pit Bull puppy. The pup joins Jessica's other Pit, a brindle named Tina. Cuteness!

Sienna Miller

Sienna Miller and her latest bed partner Jamie Burke stroll through a park with her dogs in London.

Ellen and Portia

Ellen DeGeneres and her girlfriend Portia De Rossi walk their dog Wolfie in Los Angeles.

Owen Wilson

Owen Wilson went for a dip in the ocean in Malibu with his Australian Cattle Dog, Garcia.

Pamela Anderson

Pamela Anderson plays on the beach in Malibu with her new Golden Retriever puppy. She recently lost her 17 year old Golden, Star. She also has a Chihuahua named Luca.

Ali Larter

Heroes star Ali Larter left her hair salon in Beverly Hills last week with her Wheaton terrier, Eleanor. Also at the salon was Lindsay Lohan and Ali said that she knew all the paparazzi outside couldn't possibly be for her and her mutt.