Sometimes our furry friends do more than just snuggle
Rosie Huntington-Whiteley's Polly and Peggy
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Nature hikes may be keeping Rosie's legs long and lean, but Polly and Peggy don't take after their owner.
RELATED: 15 Ways Puppies Improve Your Health
Ryan Gosling's George
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We all know Ryan Gosling definitely doesn't need a dog to pick up girls, but it just makes him that much more perfect. These two have been best buds for 14 years.
Miranda Lambert's Ellie
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Not only do they get fit together, but they win big. The country star has been learning to ride English for competitions.
David Ortiz's Mikey
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This little guy came out to the baseball player's conditioning session during spring training, proving that bigger isnt always better.
Heidi Klum's Max, Freddy, and Simba
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An unlikely third to the trio, Simba keeps up with Max and Freddy, rounding out the pack.
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Madge and Rocco show that true love means being around each other even when you get smelly.
Ryan Phillippe's Maximillian
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Max is not only Ryan's workout buddy, but a gift to his son to cheer him up after being bullied at school.
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Kellan Lutz's Kola
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Kellan and Kola need to stay in shape—after all, they are models. These two starred in PETA's ad for the "Adopt, Don't Buy" campaign.
Kaley Cuoco's Shirley
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Shirley loves to play ball in the pool but there's one thing she loves more: the hot tub.
James Franco's Sammy
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Okay, so maybe Sammy doesn't work out himself, but he is the perfect weight for Franco to bench press. Watch the hilarious video here.
Taylor Swift's Oliva Benson
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Taylor Swift's cat Olivia Benson went along for the ride during a stroll in downtown New York City on September 16.