Sharon Stone is mourning the loss of her pet dog. The 63-year-old star revealed on social media that she is grieving after the death of her pooch Joe and uploaded some pictures of the animal. Alongside a picture of the dog relaxing on a chair, Sharon wrote: “Joe ‘Biggy’ Stone on his throne R.I.P.” Sharon first confirmed the sad news on Saturday (19.02.22) when she explained that the pooch had passed away recently and that she had been grieving. She wrote: “We lost Joe, the brindle, two weeks ago, just ready to share. It’s a process.” Sharon’s tragic news was met with a kind response from her f…