Claim: Diana Ross was declared the most successful female music artist in history by the Guinness Book of World Records.
Evidence: In 1993 , the Guinness Book of World Records declared Ross the most successful female music artist in history , due to her success in the United States and United Kingdom for having more hits than any female artist in the charts , with a career total of 70 hit singles with her work with the Supremes and as a solo artist.