Florence Ballard sometimes replaced Ballard on stage with the Andantes' Marlene Barrow. In April 1967, Cindy Birdsong, member of Patti LaBelle and the Blue Belles, became a stand-in for Ballard. A month later, Ballard returned to the group from what she thought was a temporary leave of absence. In June, Gordy changed the group's name to "The Supremes with Diana Ross", which was how they were billed on the marquee of Las Vegas' Flamingo Hotel. On July 1, the day after her 24th birthday, Ballard showed up inebriated during the group's third performance at the Flamingo and stuck her stomach out from
Girl group an environment of entertainment in which the appearance of the girl group was not unfriendly, and musical forms like a cappella and barbershop quartet singing provided inspiration for the structure of the songs and types of harmonies sung by initial girl groups. Importantly, the first successful girl groups of this era were typically white, but capitalized on using music such as ragtime that had originated in the African American community. This era was also advantageous to the beginnings of girl group music because of the newfound prevalence of the radio as well, which allowed this style of music to spread.