Matthew or Kellan: Who's the Hotter Dog Dad?From the sandy Malibu shores to the streets of L.A., which actor makes dog walking look more delicious?

STEP AHEAD

The hardest-working dogs in Hollywood, BJ and Kola, hoof it through California during some high-impact runs with their physically fit pops.
Winner: McConaughey. Those sun-kissed biceps even have us drooling.



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