Is it her voice which has been called the best vocally trained voice in music history?
Is it her dancing which is the best in the industry?
Is it the fact she can sing AND dance at the same time?
Is it her $50 million Pepsi deal?
Her $350 Million Net worth (add an extra $450 if you want to include Jay Z's net worth)?
The fact she's the prettiest/sexiest/most beautiful artist of all time?
Her solo tour grossing of $100 million+ per tour?
Her 16 Grammys?
Her Super Bowl halftime show on sunday?

All of the above?