Article continues below advertisementKylie Jenner's longtime pooch, Norman, has passed away at age 12.The reality star, 28, took to Instagram on Wednesday, October 22, to announce the heartbreaking news.The Kardashian family first adopted the Greyhound when Jenner was just 17 years old.Jenner published a photo dump featuring photos of the pup from over the years, whether dressed up in costume, playing with the kids or cuddling with his mom.Article continues below advertisementSource: @kyliejenner/InstagramKylie Jenner's dog just passed away."In Loving Memory of My Sweet Norman.