Lady Gaga Leads Forbes' 2011 Top-Earning Women in Music List With $90 Million

She may not have been born this way, but Lady Gaga was pop's top-earning woman in 2011.

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According to Forbes, Lady Gaga earned $90 million from album sales, touring and endorsements -- double the estimated earnings of Taylor Swift and Katy Perry, who made $45 million and $44 million, respectively. In Gaga context, that's over $5 for each of the pop provocateur's nearly 17 million Twitter followers, or $2 a piece for her Facebook little monsters.
 
The numbers reflect earnings between May 2010 and 2011.

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That calendar means Adele, who notched $18 million and ninth place with only a few months of record-keeping for her chart-ruling 21, may be tough competition for Mother Monster in 2012.
 
Rounding out the top 10 list was Beyonce ($35 million), Rihanna ($29 million), Pink ($22 million), Carrie Underwood ($20 million), Celine Dion ($19 million) and Britney Spears, who tied with Alicia Keys at $10 million for the No. 10 spot.
 
Overall, U2 was Forbes' top act in music, with the band notching $195 million.