Tatiana Olga Okupnik (born 2 September 1978, à Âódà º, Poland) is a Polish singer, composer and songwriter. She has a characteristic, unique voice timbre. She has collaborated with musicians such as Tim Hutton, Wyclef Jean, Lenny White and was a member of Blue Café, a Polish band, where she was lead singer from the band's early years until 2005. In 2012, Okupnik joined the judging panel on the second series of the Polish reality television competition X Factor.