- in high school Mariah's nickname was "Mirage" because she often cut class.

- she was named after a song.

- her grandmother is a R&B icon Patti Labelle.

- Before Mariah made it as a singer, she studied cosmetology.

- Mariah bought Marilyn Monroes white baby piano.

- carey suffered a physical and emotional breakdown and was placed in a institution in 2001.

Facts you may not know .