Since the age of five, Thorn has performed on stage and taken part in musical competitions.
[6] In 2024, a Parisian record procution duo, consisting of Julien Salvia and Ludovic-Alexandre Vidal, were searching for a Luxembourgish singer for their new track.
They contacted Thorn through a former singing teacher of her to perform their song, which was later named "La poupée monte le son".
On 18 November 2024, Thorn was announced as one of seven finalists in Luxembourg Song Contest 2025.
[9] On 25 January 2025, during the final of Luxembourg Song Contest 2025, which was held in Rockhal, Thorn got the most points from international juries and second place in televote, ultimately winning the competition and receiving the right to represent Luxembourg in Eurovision Song Contest 2025 in Basel.