Celebs, Friends, & Co-Stars Mourn Hayden Panettiere After Shocking Death: 'Don't Be Gone Please'

Hollywood is mourning the tragic loss of Hayden Panettiere. As we previously reported, Hayden's dad Alan Panettiere confirmed the devastating news to People on Sunday. He said in a statement: "It is with profound sadness that we share the tragic passing of our beloved Hayden." Right now, we don't have much information as to what happened, but police reports indicate a possible overdose. An autopsy is set to be completed on Monday, though, to give an official cause of death. So, so sad. Celebs are shocked and heartbroken by this loss, with many of Hayden's co-stars and pals expressing . . .