The pop singer has dominated the pop world and the Billboard charts since her debut in 1990, so she has had it coming.
D--k Clark Productions and NBC made the announcement on Thursday, 11 April.
Along with her award, the living legend herself will take the stage to perform a medley of her biggest hits at the event. She joins previous legendary Icon recipients Janet Jackson, Neil Diamond, Stevie Wonder, Prince, Jennifer Lopez, Celine Dion, Cher and more.
Carey has 18 No. 1 hits, including Vision of Love, Hero, Honey and We Belong Together.
Her duet with Boyz II Men, One Sweet Day, spent 16 weeks at No. 1, making it the longest-running No. 1 hit on the Hot 100 chart. Luis Fonsi’s Despacito tied the feat in 2017.
Kelly Clarkson will host the Billboard Awards, and Panic at the Disco, Sam Smith and Normani will perform. Cardi B leads with 21 nominations.