Madonna's $800 million net worth proves she's the queen of more than just pop, according to MarketWatch.
Sir Paul McCartney's $660 million net worth is due to being a former Beatle and his solo work.
Dr. Dre boosted his net worth to $650 million by selling Beats Electronics to Apple for $3 billion.
Bad Boy Records founder Sean "Diddy" Combs has amassed a net worth of $640 million.
At $630 million, Celine Dion has come a long way since singing the "Titanic" theme song "My Heart Will Go On."
U2 frontman Bono has a lot to sing about with a net worth of $590 million.
Mariah Carey has sold more than 200 million albums, earning her a net worth of $520 million.
Hip-hop mogul Jay Z owes his $510 million fortune to endeavors in music, sports and fashion.
Sir Elton John's $450 million is the result of selling more than 300 million records.
At 33, Beyonce is the youngest on the list with $440 million to her name.
