Olivia Newton-John
If you don’t remember Olivia Newton-John, then you’re probably too young to be reading this article. This English-Australian singer and songwriter is also an actress, an activist and an entrepreneur. She has collected four Grammy awards, two number-one Billboard 200 solo albums, and five number-one Billboard Hot 100 singles.
Olivia Newton John
Rihanna
Hailing from the Carribean island of Barbados, Rihanna is one of the most successful singers in history. She has succeeded in numerous styles of music, and has changed her image constantly throughout her career. She holds seventh place as the best-selling music artist worldwide with 250 million copies sold. Two of her greatest songs are Umbrella (2008) and Diamonds (2012). Her net worth is estimated at $600 million.
Rihanna