Shelley Duvall Dead at 75

Shelley Duvall, who famously co-starred in "The Shining," is dead after a painful battle with diabetes. Dan Gilroy, Shelley's life partner for decades, tells TMZ ... he found Shelley unresponsive in their home in Texas at 7 AM Thursday. He says Shelley had been under hospice care, and bedridden, for the last few months while dealing with complications from diabetes. He says she died in her sleep. Shelley had the…