20. Akon: $6 million

LAS VEGAS - JUNE 3: Donald Trump arrives at the 2012 Miss USA pageant the Planet Hollywood Resort & Casino on June 3, 2012 in Las Vegas, Nevada. (Photo by Isaac Brekken/Getty Images) *** Local Caption ***

19. Mac Miller: $6.5 million

<> at Nikon at Jones Beach Theater on August 2, 2012 in Wantagh, New York. (Gary Gershoff/Getty Images Entertainment)

18. Young Jeezy: $7 million

TORONTO, CANADA - APRIL 3: Recording artist Young Jeezy attends a basketball game between the Charlotte Bobcats and Toronto Raptors on April 3, 2012 at the Air Canada Centre in Toronto, Ontario, Canada. NOTE TO USER: User expressly acknowledges and agrees that, by downloading and or using this Photograph, user is consenting to the terms and conditions of the Getty Images License Agreement. Mandatory Copyright Notice: Copyright 2012 NBAE (Photo by Ron Turenne/NBAE via Getty Images)

17. Pharrell: $7 million

NEW YORK, NY - JUNE 20: (L-R) Leah LaBelle, Pharrell, Rocsi Diaz, and Terrence J visit BET's "106 & Park" at BET Studios on June 20, 2012 in New York City. (Photo by D Dipasupil/Getty Images)

16. Swizz Beatz: $7 million

performs at the Pepsi/Billboard Summer Beats concert at Gotham Hall on August 29, 2012 in New York City. (Larry Busacca/Getty Images Entertainment)

15. 50 Cent: $7.5 million

US rapper Curtis "50cent" Jackson speaks at the launch of his headphone range from SMS audio at the 52nd edition of the "IFA" trade fair in Berlin on August 30, 2012. IFA, the world's largest consumer electronics and home appliances fair opens to the public from August 31st to September 5, 2012.AFP PHOTO / ODD ANDERSEN (Photo credit should read ODD ANDERSEN/AFP/GettyImages)

14. Snoop Dogg: $8 million

(Schroder, Tor Erik/AFP/GettyImages)

Rapper Snoop Dogg performs on stage during a concert in Arendal, some 250 kms south of Oslo, 28 June 2012.AFP PHOTO /Toer Erik Schroder / scanpix (Photo credit should read Schroder, Tor Erik/AFP/GettyImages)

13. Wiz Khalifa: $9 million

<> at Nikon at Jones Beach Theater on August 2, 2012 in Wantagh, New York. (Gary Gershoff/Getty Images Entertainment)

12. Rick Ross: $9 million

Rick Ross onstage during the 2012 BET Awards at The Shrine Auditorium on July 1, 2012 in Los Angeles, California. (Michael Buckner/Getty Images Entertainment)

11. Pitbull: $9.5 million

Pitbull on August 9, 2012 in Los Angeles, California. (Mark Davis/Getty Images Entertainment)

10. Ludacris: $12 million

LONDON, ENGLAND - AUGUST 6: Hip Hop Artist Ludacris takes in the game between Argentina and the USA during their Basketball Game on Day 10 of the London 2012 Olympic Games at the Olympic Park Basketball Arena on August 6, 2012 in London, England. NOTE TO USER: User expressly acknowledges and agrees that, by downloading and/or using this Photograph, user is consenting to the terms and conditions of the Getty Images License Agreement. Mandatory Copyright Notice: Copyright 2012 NBAE (Photo by Garrett W. Ellwood/NBAE via Getty Images)

9. Eminem: 15 million

onstage during The 53rd Annual GRAMMY Awards held at Staples Center on February 13, 2011 in Los Angeles, California. (Larry Busacca/Getty Images Entertainment)

8. Nicki Minaj: $15.5 million

performs at Pepsi Presents Nicki Minaj's Pink Friday Tour at Roseland on August 14, 2012 in New York City. (Larry Busacca/Getty Images Entertainment)

7. Birdman: $20 million

MIAMI, FL - JUNE 17: Recording artist Bryan 'Birdman' Williams attends Game Three of the 2012 NBA Finals between the Oklahoma City Thunder and Miami Heat at American Airlines Arena on June 17, 2012 in Miami, Florida. NOTE TO USER: User expressly acknowledges and agrees that, by downloading and or using this photograph, user is consenting to the terms and conditions of the Getty Images License Agreement. Mandatory Copyright Notice: Copyright 2012 NBAE (Photo by Andrew D. Bernstein/NBAE via Getty Images)

6. Drake: $20.5 million

Drake during the 2012 NBA All-Star Game at the Amway Center on February 26, 2012 in Orlando, Florida. (Ronald Martinez
Getty Images Entertainment) NOTE TO USER: User expressly acknowledges and agrees that, by downloading and or using this photograph, User is consenting to the terms and conditions of the Getty Images License Agreement.

5. Lil Wayne: $27 million

performs at Pepsi Presents Nicki Minaj's Pink Friday Tour at Roseland on August 14, 2012 in New York City. (Larry Busacca
/Getty Images Entertainment)

4. Kanye West: $35 million

<>the Valentino Haute-Couture Show as part of Paris Fashion Week Fall / Winter 2013 at Hotel Salomon de Rothschild on July 4, 2012 in Paris, France. (Julien M. Hekimian/Getty Images Entertainment)

3. Jay-Z: $38 million

Jay-Z onstage during the 2012 BET Awards at The Shrine Auditorium on July 1, 2012 in Los Angeles, California. (Michael Buckner/Getty Images Entertainment)

2. Diddy: $45 million

US singer Sean J. Combs aka P. Diddy arrives for the screening of "Killing them Softly" presented in competition at the 65th Cannes film festival on May 22, 2012 in Cannes. AFP PHOTO / VALERY HACHE (Photo credit should read VALERY HACHE/AFP/GettyImages)

1. Dr.Dre- $110 million

Dr. Dre performs onstage during day 3 of the 2012 Coachella Valley Music & Arts Festival at the Empire Polo Field on April 15, 2012 in Indio, California. (Photo by Christopher Polk/Getty Images for Coachella)