Shelley Long was spotted out in public near her home. The star has been living a life away from the limelight of Hollywood for years. Famous actress Shelley Long, 74, best known for playing Diane Chambers on the iconic series “Cheers,” recently appeared in public after staying out of Tinseltown’s spotlight for a long time. Long took her dog for a walk in her neighborhood, Pacific Palisades. For her Tuesday afternoon outing, she adorned gray sweatpants, a blue turtleneck, a black coat, a pair of sneakers, and spectacles. Photos of the silver-haired star depicted her with serious and forlorn-loo…