Stars and Their Pets: Katherine Heigl's Canine CostarHeigl makes her point with a furry assistant on Good Morning America in New York. Plus: Christina Aguilera chases her dog down in Hollywood and more

KATHERINE HEIGL

The actress snuggles an adorable accessory Monday on the New York City set of Good Morning America, where she chatted about her charitable line of pet products, Just One.



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