Kwiatkowski was born and raised in Gorzów Wielkopolski. In 2001, Michał won a Polish karaoke show Szansa na sukces (Shot at the Top). After this success, he left Poland and started his studies in France. In 2003, he competed in the third series of the popular show Star Academy. His popularity increased rapidly. He gained second place, but winner Elodie Frégé shared the victory with him.
From September 2009 he was a member of X edition in Dancing with the Stars in Poland. His partner was Janja Lesar. They were eliminated in 11th episode, placing third.
Since 2011, he has been involved in the new project "Self Concept", having released songs like "Too Strange" and "You Are the Last".