The lead singer got all Diva-ish and left, did a solo album which flopped, formed a short-lived group with Raphael Saddiq , left that group in less than a year, did another solo album. and.. I think they reunited again and did an album that had a semi-hit.. I vagugely remember them wearing purple in the video... and now they're on the latest stevie wonder single, along with prince.
...
don't ask me how I know this. I'm not a closet En vogue fan.