She did various jobs until the age of 18 to save money for a trip in Europe,[2] where she started in Switzerland working au pair to pay classes of French.

After a first experience in the fifth season of the reality program L'Île de la Tentation (French version of Temptation Island),[3] Gyselle took theater classes in Paris while pursuing her modeling career.

In February 2014, she was the new columnist in L'Émission pour tous hosted by Laurent Ruquier on France 2 and in the radio program On va s'gêner on Europe 1.

[4] Gyselle Soares started as an actress playing in the comedy telenovela A turma do didi broadcast on Globo, the first Brazilian channel.

In 2011, while taking classes at the Cours Florent, she briefly appeared in the French series Camping paradis broadcast on TF1, and also has a supporting role in the 2012 comedy film Dépression et des potes with Ary Abittan and Fred Testot.