Joanna Klepko (born 25 June 1983 in Warsaw), known by her stage ...
Cleo, is a Polish singer. She represented Poland in the Eurovision Song Contest 2014 in Copenhagen, Denmark along with Donatan with the song "My Słowianie".
She is a graduate of the Warsaw University of Life Sciences.
She sang in gospel choir "Soul Connection". She is the winner of the first season of the Polish contest "Studio Garaż" in the category Rhythm and blues. She has worked among others with Pezet, Onar, Pih, Ramona 23, WSRH, Wet Fingers and Endefis.
In 2011 she took part in the first season of the Polish talent show X Factor. Since 2013 she has worked with Donatan.