Glen Campbell 'Rhinestone Cowboy' Singer Dead at 81.
Glen Campbell -- legendary country music singer best known for his 1975 hit, "Rhinestone Cowboy" -- has died after a long battle with Alzheimer's ... TMZ has learned.
Campbell died Tuesday around 10 AM in a Nashville facility for Alzheimer's patients ... according to a source close to his family.
Glen made history in 1967 by winning 4 Grammys in the country and pop categories, and took home CMA's Entertainer of the Year award in 1968.
Campbell was also an actor and TV host who starred in the variety show, "The Glen Campbell Goodtime Hour" on CBS from 1969-1972. »