Martha Reeves
Martha Rose Reeves (born July 18, 1941 in Eufaula, Alabama) is an American R&B and Pop singer and former politician, and was the lead singer of the Motown girl group Martha and the Vandellas. During her tenure with The Vandellas, they scored over a dozen hit singles, including "Nowhere to Run", "Jimmy Mack", and their signature "Dancing In The Street". From 2005 until 2009, Reeves served as an elected councilwoman for the city of Detroit, Michigan.
source: Wikipedia