Actually, this may count as two. How many frauds have won a Grammy or sold 30 million records? As they might say, "Girl, You Know It's True.'' But it wasn't. Fab Morvan and Rob Pilatus turned out just to be the front men for the pop duo Milli Vanilli others did the singing. They were stripped of the Grammy months after winning it in 1990 and dozens of lawsuits were filed against the group, their producer, and their record company.