Diane Hildebrand (born April 13, 1945) is an American pop singer-songwriter. She wrote for several musicians during the 1960s and 1970s, but is best remembered for her work with Screen Gems Music Publishing, penning material for the band the Monkees. In 1969, Hildebrand recorded her debut studio album, Early Morning Blues and Greens. She later released two additional albums under the name Joya Diane Skye.