Lynda Laurence the departure of Florence Ballard in 1967 and lead singer Diana Ross in 1970, was about to lose another member of the group, Cindy Birdsong, who was expecting a baby. Birdsong originally replaced Tucker in the group The Ordettes, later to be named Patti LaBelle & the Bluebelles, so it was ironic that Tucker's sister, Laurence took Birdsong's place as a backing vocalist. At this time, Jean Terrell was the lead singer of The Supremes. Laurence joined the group around the time the group issued their "Floy Joy" album, and appeared on the cover with Terrell and Wilson, though Birdsong
Floy Joy (album) Mary Wilson, Cindy Birdsong, and Jean Terrell. Appearing on the album cover alongside Terrell and Wilson was new member Lynda Laurence, brought in to replace Cindy Birdsong, who was noticeably pregnant at the time of the photo shoot. Despite appearing on the album cover, Laurence's vocals are not on the album. "Floy Joy" marks for the first time that Mary Wilson had several leads on an album. Wilson takes solo lead on the ballad "A Heart Like Mine." Wilson and Terrell trade-off lead vocals on "Floy Joy" and "Automatically Sunshine", whilst Terrell has sole lead on the album's third single,