Mariah Carey | Net Worth: $320 Million

Mariah Carey is among the best-selling music artists in history, with over 200 million sold albums worldwide. She’s also most notable for introducing the song All I Want for Christmas Is You, which subsequently became one of the most profitable and best-selling singles of all time. It is featured in several Christmas movies and has been a massive hit during the holiday season on streaming platforms such as Spotify and Pandora. The song generates yearly royalties amounting to $600,000, which only took 15 minutes to write.

Throughout her career, Carey has earned hundreds of millions of dollars from royalties, record contracts, and endorsement deals, as well as private performances, Las Vegas residencies, and media appearances. Aside from singing, she has created lines of perfumes, jewelry, bags, and footwear. She once had owned and launched a record label back in 2002 called MonarC Entertainment, which was formerly owned by Island Def Jam, where she was signed.