information:highlighting, stylistic:tone
Impact

The Supremes deliberately embraced a more glamorous image than previous black performers. Much of this was accomplished at the behest of Motown chief Berry Gordy and Maxine Powell, who ran Motown's in-house finishing school and Artist Development department. Unlike many of her contemporaries, Ross sang in a thin, calm voice, and her vocal styling was matched by having all three women embellish their femininity instead of imitate the qualities of male groups. Eschewing plain appearances and basic dance routines, the Supremes appeared onstage in detailed make-up and high-fashion gowns and wigs, and performed graceful choreography created by Motown choreographer Cholly Atkins. Powell told the group to "be prepared to perform before kings and queens." Gordy wanted the Supremes, like all of his performers, to be equally appealing to black and white audiences.

Publications such as Time and The Detroit News commented on the Supremes' polished presentation. In a May 1965 profile of rock music, Time called the Supremes "the reigning female rock 'n' roll group" and said that Ross "is greatly envied for the torchy, come-hither purr in her voice." Arnold S. Hirsch of The Detroit News said about the Supremes: "they don't scream or wail incoherently. An adult can understand nine out of every 10 words they sing. And, most astounding, melody can be clearly detected in every song." Encyclopedia Britannica commented that the Supremes' hit singles "sounded modern, upwardly mobile, and stylishly sensual in a way that appealed equally to adults and teens of all persuasions."

By 1965, the Supremes were international stars. They toured the world, becoming almost as popular abroad as they were in the US. Almost immediately after their initial number-one hits, they recorded songs for motion picture soundtracks, appeared in the 1965 film Beach Ball, and endorsed dozens of products, at one point having their own brand of bread. By the end of 1966, their number-one hits included " I Hear a Symphony ", " You Can't Hurry Love " and " You Keep Me Hangin' On ". That year the group also released The Supremes A' Go-Go, which on October 22 became the first album by an all-female group to reach number one on the US Billboard 200, knocking the Beatles' Revolver out of the top spot. Because the Supremes were popular with white audiences as well as with black ones, Gordy had the group perform at renowned supper clubs such as the Copacabana in New York. Broadway and pop standards were incorporated into their repertoire alongside their own hit songs. As a result, the Supremes became one of the first black musical acts to achieve complete and sustained crossover success. Black rock and roll musicians of the 1950s had seen many of their original hit tunes covered by white musicians, with these covers usually achieving more fame and sales success than the originals. The Supremes' success, however, counteracted this trend. Featuring three group members who were marketed for their individual personalities (a move unprecedented at the time) and Diana Ross's pop-friendly voice, the Supremes broke down racial barriers with rock and roll songs underpinned by R&B stylings. The group became extremely popular both domestically and abroad, becoming one of the first black musical acts to appear regularly on television programs such as Hullabaloo, The Hollywood Palace, The Della Reese Show, and, most notably, The Ed Sullivan Show, on which they made 17 appearances. In 2003, Fred Bronson wrote that in 1959, when the Supremes formed as the Primettes, "no one could have predicted they would become the most successful American singing group of all time."