[2] At age fifteen, Moś began to attend vocal classes by Elżbieta Chlebek, her first steps towards a professional singing career.

[4] In 2005, she released "I Wanna Know", which she performed in Piosenka dla Europy 2006, Poland's national final for the Eurovision Song Contest 2006.

[8] In 2011, Moś traveled to Las Vegas, United States, where she met American producer Robin Antin, founder of the girl band The Pussycat Dolls.

Later in the year, she traveled to the United States again, after being asked by Antin to join The Pussycat Dolls Burlesque Revue with which she performed at, among other places, the Viper Room.

[9] During the half-a-year contract, she collaborated with singers such as Kelly Osbourne, Mýa and Carmen Electra, and was invited by actress Eva Longoria to sign at a charity auction organised by her foundation.

During her audition, she performed "(You Make Me Feel Like) A Natural Woman" by Aretha Franklin and advanced to the next round, eventually qualifying to the semi-finals.

[11] During her time on the show, she collaborated with Tax Free on the song "Uwierz", which was included on the band's debut album, Na ostatnim piętrze nieba.