It's hard to believe, but this summer three of America's greatest pop icons - Madonna, Michael Jackson, & Prince - are all celebrating their 50th birthday. So, to help celebrate these three legends turning a half century old, Hypeful has assembled 50 cover songs for each artist to share with you! By the time you finish listening to all 150 covers, it might be time to share a golden years collection of Britney, Justin, and Christina.