Whatever happened to...
Riff, Atlantic Starr, Midnight Star, The Jets, Hi-Five, Shai, Nuttin' Nyce, Lisa Lisa, Jody Watley, Good Girls, Karen White (remember Superwoman?), Domino, the guy that did the dazzey dukes song.
There are so many one-hit wonders (I've been watching VH-1 too long.)
There are others, but I'll have to look in my closet.