[3] She studied at the Pop Art Workshop under the direction of Alla Pugacheva and later became a student at the Igor Krutoy Academy.

At the competition New Wave Junior (Russian: Детская Новая волна, romanized: Detskaya Novaya volna) held in Crimea, Mezhentseva met and befriended Denberel Oorzhak, and they decided to make a duet.

[7] On 30 October 2021, Mezhentseva attended Akademiya Eurovision again, but this time as a solo artist, performing the song "Mon Ami".

[8] She won the competition and earned the right to represent Russia in the Junior Eurovision Song Contest 2021 in Paris, France.

She was the last Russian entrant in any Eurovision event as Russia got expelled from the EBU two months later.