Sadowska was born in the capital of Poland, Warsaw,[1] to her father, a composer, and her mother, a jazz singer.

[9] The next year, 2007, she appeared on the British TV show Dancing on Ice, and released her sixth album Gwiazda dla każdego.

[11] Sadowska was the judge of the third and fourth season of Polish TV show The Voice of Poland, with participants from her team winning twice.

In 2019, Maria Sadowska took part in TVN's reality show Agent – Gwiazdy and she played the role of the title character – the Mole (pol.

[1] She earned a second degree in piano at the Fryderyk Chopin Academy of Music in Warsaw[2] soon after the releases of Lucky Star and Crazy.