Here are the female singers who made the most money in 2011

Lady Gaga Credit: Getty Images
We're all gaga for Gaga. Lady Gaga was the top-earning woman in the music business from May 2010 to May 2011, according to Forbes magazine. Her $90 million haul came in large part from her strong earnings on tour and her ample endorsements, according to the magazine. Here are this year's top five female musical acts and the amounts of dough they raked in:
1. Lady Gaga $90 million
2. Taylor Swift $45 million
3. Katy Perry $44 million
4. Beyoncé $35 million
5. Rihanna $29 million