Mompremier attended Baylor University after graduating from Miami Senior High School in 2015. After two seasons, she transferred to her hometown Miami Hurricanes.[2]
During the 2018–19 season, Mompremier was a named an honorable mention All-American by the Associated Press as well as a first-team All-ACC selection. Despite being eligible for the 2019 WNBA draft, she opted to return to Miami for her senior season.[3] Following the 2019–20 season, Mompremier was named an Honorable Mention All-American by the Associated Press.
Professional career
Los Angeles Sparks
She was selected with the 20th overall pick in the 2020 WNBA draft by the Los Angeles Sparks. Following the draft, she signed a contract with the Sparks but was released on June 1 - ultimately not making the roster.
Connecticut Sun
On June 23, 2020, she signed with the Connecticut Sun as a replacement for all-star Jonquel Jones, who chose to sit-out the 2020 WNBA season.[4] On May 4, 2022, Mompremier was waived from training camp.[5]
Atlanta Dream
On May 6, 2022, the Dream claimed Mompremier off of the waiver wire.[6]
^"Vége Beatrice Mompremier idényének" [The season of Beatrice Mompremier is over]. www.gyorikosar.hu (in Hungarian). March 16, 2023. Retrieved May 18, 2023.