LAS VEGAS, Feb. 21 /PRNewswire/ -- Bette Midler "The Showgirl Must Go On," created in partnership with AEG Live exclusively for The Colosseum at Caesars Palace, premiered tonight to a sold-out crowd of VIPs and celebrities. Flaunting plenty of girls ...

To compile our list of pop's biggest cash machines, Forbes looked at how much leading recording artists generated in US music sales and North American concert grosses in 2007. Our estimates, which don't calculate how much income each artist pocketed ...