11. Rihanna

Singer Rihanna arrives at the 2014 MTV Movie Awards in Los Angeles, California April 13, 2014. [Photo/Agencies]

Occupation: singer, actress, model

Rihanna kicked off her singing career when she released her album "Music of the Sun" in 2005. Many of her songs such as "Umbrella," "We Found Love" and "Diamonds" are among the best-selling singles of all time. Her great talent and excellent singing has won her seven Grammy Awards and 22 Billboard Music Awards.