Simon Cowell has been challenged by Beyonce Knowles father Matthew to put together rival girl groups � to see who knows the most about music.
Knowles, who created hit girl band Destiny�s Child, is not a fan of Cowell after he called his superstar daughter �not a great singer� � and now wants to prove he�s a greater music mogul than the American Idol judge.
He rants, �I challenge him to put together a female group or female solo artist, and I will do the same, and then let the audience decide which is better.
"It is even more clear to me that Simon wouldn't know a hit song, image or talent if it hit him in the face."
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