At the time of her Eurovision win, she was only 13 years old, making her the youngest winner ofthe contest, even though the lyrics of her song "J'aime la vie" ("I love life") imply that she is 15;[2] the Swiss petitioned to have the song disqualified after her real age was revealed. This petition ended up failing and Kim went on to win that year's Eurovision Song Contest. Kim also represented Belgium at theYamaha Music Festival in Tokyo during the autumn of 1986 and sang the title song for the French animated television seriesIl était une fois... la vie. Kim'spop rock albumMake Up was released on 12 May 2011, containing songs written by famous Belgian artists likeSalvatore Adamo,Dani Klein (Vaya Con Dios),Ozark Henry, Anthony Sinatra (Piano Club), Jacques Duval and David Bartholomé (Sharko). She also won the first season of the Belgian version of The Masked Singer as “Queen”.
In March 2023, Kim was a guest celebrity judge in the episodeA deux c’est mieux of the Belgian French-language reality television seriesDrag Race Belgique, which was broadcast onTipik.[3]