pinksheepofthefamily.com — Does anyone remember Boyz 'N Girlz United? Probably not. If you did, you would know why Simon Cowell kept telling American Idol reject Robbie Carrico, "I simply don't buy it. It's just not authentic." Most people thought Simon was referring to his hair. (It was widely rumored that Robbie's long mane was actually a wig.)