10Mariah Carey

With a net worth of $535 million, Mariah Carey is the tenth richest musician in the world. Unlike some of her peers, Mariah Carey earned her money almost entirely through her work in music and film.  Considering Mariah Carey has a five-octave range and unique whistle register, it's no wonder that

her beautiful voice has garnered her a worldwide fan base that eats up whatever she puts out.

Since Mariah's debut in 1988, she has sold over 200 albums worldwide and won five Grammy's. In addition to gifting us with "All I Want For Christmas Is You," one of the most beloved (and best selling) Christmas songs of all time, Mariah also holds the record for the longest running number one single ( "One Sweet Day") on the Billboard Hot 100.

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