'American Idol' winners: Where are they now?
The fourth-season victor became the first "Idol" alumna to make an impact in the country world. She has 14 No. 1 hits and has sold over 14 million albums. Her debut, "Some Hearts," moved 7 million units, and Billboard voted the effort the No. 1 Country Album of the Decade. Her latest album, "Blown Away," has topped the charts. Outside of music, the Grand Ole Opry member endorses brands like Olay and vitaminwater.