Mentissa Aziza was born on 4 April 1999 in Ixelles, Brussels-Capital Region to parents of Congolese descent.

[3][4] Raised only by her mother, she grew up and attended secondary school in Denderleeuw, East Flanders.

[8] In 2018 and 2019, Mentissa participated in the ninth season of The Voice of Holland, in which she reached the 'Knockouts' round as part of team Lil' Kleine.

[9] Two years later, in 2021, she entered the French version of the The Voice franchise, finishing in the top 4 as part of team Vianney.

[13] In 2024, she became a coach in the eleventh season of The Voice Belgique, alongside Beverly Jo Scott, Christophe Willem and Hatik.