Britney Spears "ranked as the third most powerful musician in the world."

 
Britney Jean Spears (born December 2, 1981) is an American recording artist and entertainer. Born in McComb, Mississippi and raised in Kentwood, Louisiana, Spears began performing as a child, landing acting roles in stage productions and television shows. She signed with Jive Records in 1997 and released her debut album in 1999. During her first decade within the music industry, she became a prominent figure in mainstream popular music and popular culture, followed by a much-publicized personal life. Her first two albums established her as a pop icon and broke sales records, while title tracks "...Baby One More Time" and "Oops!... I Did It Again" became international number-one hits. Spears were credited with influencing the revival of teen pop during the late 1990s.
Spears has sold over 100 million records worldwide, making her one of the best-selling music artists. According to the Recording Industry Association of America (RIAA), she is the eighth top-selling female artist in the United States, with 32 million certified albums. Spears is also recognized as the best-selling female artist of the first decade of the 21st century, as well as the fifth overall. She was ranked the 8th Artist of the 2000–10 decade by Billboard. In June 2010, Spears was ranked sixth on Forbes list of the 100 Most Powerful and Influential celebrities in the world; she is also ranked as the third most powerful musician in the world.