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Celebrities and their 4-legged friends

Feb. 27, 2012, 1:04 p.m.
Adrian Grenier picking up dog poo

Photo: Juliano Garcia/INFphoto.com

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Adrian Grenier

"Entourage" star Adrian Grenier cleans up after his pup at a dog park in West Hollywood. Grenier is known for his love of dogs, often snapping photos of himself with canine co-star, Rocky, and once attempting to save a dead dog he found while jogging.