2) Kelly Clarkson

Global Album Sales: 25 Million

Kelly Clarkson won the first season of American Idol. This star continues to shine. From the five albums she has released since her famous victory, she has hit the Billboard Hot 100 with ten top-10s, including three chart toppers. Clarkson has garnered ninety-one number ones on the Billboard charts and eleven international number one singles.

Billboard also ranked her as the 14th-best-selling artist of the 2000s and one of the top 200 album sellers of the Nielsen SoundScan era. Clarkson has won several awards including three Grammy Awards, three MTV Video Music Awards, and twelve Billboard Music Awards.