Joanna Krystyna Klepko, known by her stage name 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".
From Wikipedia (https://en.wikipedia.org/wiki/Cleo_(Polish_singer)) under Creative Commons Attribution CC-BY-SA 3.0 (http://creativecommons.org/licenses/by-sa/3.0/legalcode)