“American Idol” returns on March 11, and we couldn’t be more excited. That’s because it’s the rare reality show that has actually produced some bona fide pop stars, hit-makers and even an Oscar winner. Whoever wins has a tough road getting there, and an even tougher climb up this ladder of the highest “Idol” alumni in album sales.
Photo credit:
Getty ImagesCarrie Underwood – 16.3 million albums sold in the U.S.
Underwood is the only solo country music star to have a No. 1 hit on the Billboard Hot 100 and 14 No. 1 hits on Billboard’s country charts.