Mary Esther Wells (May 13, 1943 – July 26, 1992) was an American singer who defined the early sound of Motown Records in the early sixties. Along with The Miracles, The Temptations, The Supremes, and The Four Tops, Wells was said to have been part of the charge in black music onto radio stations and record shelves of mainstream America "bridging the color lines in music at the time."

With a string of hit singles mainly composed by Smokey Robinson including "Two Lovers" (1962), the Grammy-nominated "You Beat Me to the Punch" (1962) and her signature hit, "My Guy" (1964), she became recognized as "The Queen of Motown" until her departure from the company in 1964, at the height of her popularity. In other circles, she's referred to as the "The First Lady of Motown" and was one of Motown's first singing superstars.

Mary Esther Wells was born near Detroit's Wayne State University on May 13, 1943 to a domestic mother and an absentee father. One of three children, she caught spinal meningitis at the age of two and struggled with partial blindness, deafness in one ear and temporary paralysis. During her early years, Wells' family grew up in a poor residential Detroit district. By age 12, Wells was helping her mother with housecleaning work. She described the ordeal years later: