Diane Schuur (born Diane Joan Schuur, nicknamed "Deedles", December 10, 1953 in Tacoma, Washington) is an American jazz singer and pianist. She won Grammy Awards for best female jazz vocal performance in both 1986 and 1987 and has had three other Grammy nominations. As of 2015, Schuur has released 24 albums, and has extended her jazz repertoire to include essences of Latin, gospel, pop and country music. Her most successful album is Diane Schuur & the Count Basie Orchestra, which remained number one on the Billboard Jazz Charts for 33 weeks.