According to Forbes.com, here they are in order:

#1.)  U2, $130 million
#2.)  AC/DC, $114 million
#3.)  BEYONCÉ, $87 million
#4.)  BRUCE SPRINGSTEEN, $70 million
#5.)  BRITNEY SPEARS, $64 million
#6.)  JAY-Z, $63 million
#7.)  LADY GAGA, $62 million
#8.)  MADONNA, $58 million
#9.)  KENNY CHESNEY, $50 million
#10.)  TIE:  BLACK EYED PEAS, TOBY KEITH and COLDPLAY, $48 million