Hollywood has gone to the dogs -- literally!

The stars came out Tuesday night when GQ and NSF clothing line joined forces with the The Humane Society of the United States to put an end to puppy mills.

VIDEO: Stars Unite Against Puppy Mills

The canine loving celebs all picked up an NSF bracelet and matching pet collar - you can get yours' at Barney's, Neimans, or Saks - and took time out to brag to RadarOnline.com about their furry friends.

• TAGS

• Caroline D'Amore
• Christian Sadler
• Dogs
• GQ
• Humane Society
• Mya
• NSF Clothing