Eligible since: 2007
Argument for induction: With 10 Number One hits, five Grammys and a chart-topping album in the past four decades, Janet Jackson has racked up a formidable list of accomplishments. But perhaps her greatest achievement is having escaped the shadow cast by her brother Michael to become a cultural force on her own terms. The 11th-best-selling female artist in U.S. history, she matched popularity with artistic ambition on Janet Jackson's Rhythm Nation 1814 and Janet, and their accompanying music videos. Control, from 1986, saw Jackson take a stand for personal and professional autonomy, paving the way for future divas to own their sexuality.