Changkou was born in South Sudan and moved to Australia with her family at age 9, as her uncle had emigrated in the 1990s.
In fall 2020, she appeared in an ensemble campaign featuring French actresses Léa Seydoux and Stacy Martin, and Korean model Sora Choi among others.
[4] Changkou has walked the runways for Valentino, Nina Ricci, Versace, Simon Porte Jacquemus, Lanvin, Giambattista Valli, Salvatore Ferragamo, Roberto Cavalli, Jason Wu, Dior, Fendi, and Chanel (for which she also has appeared in beauty campaigns,[5] ).
[7] For the October 2021 issue of Vogue, Changkou and American models Sherry Shi and Anok Yai traveled to the Fagradalsfjall volcano in Iceland for an editorial photographed by Annie Leibovitz.
[8] Changkou appeared on an "all black" cover of British Vogue alongside international models of African heritage including Adut Akech, Maty Fall Diba, and Anok Yai.