Pay: $35 million
The big-voiced Brit has sold over 23 million copies of her smash album "21," even more amazing in an era when selling 500,000 copies is a strong showing. With hits like "Rolling in the Deep" and "Rumor Has It," the singer-songwriter continues to reap the rewards of heavy airplay and digital downloads. She won all six Grammy awards for which she was nominated, including Album of the Year and Song of the Year.
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