What is Rihanna most known for?

Rihanna is known for her work as a singer and songwriter. As of 2015, she has released seven studio albums and 58 singles. She is one of the best-selling artists of all time, having sold over 41 million albums and 150 million songs, and has won eight Grammy Awards.

Rihanna, born Robyn Rihanna Fenty, first signed with Def Jam Records at the age of 16. She released her debut album, "Music of the Sun," in 2005, selling over 2 million copies worldwide and peaking in the top 10 on the U.S. Billboard 200. She was born in Saint Michael, Barbados, on Feb. 20, 1988.