Ksenia Sitnik was born on 15 May 1995 in the city of Mazyr.

[1][2] She won first prize at the international children's contest at the Slavianski Bazaar in Vitebsk in July 2005.

[3] Sitnik won, albeit narrowly – she had only three points more than the runner-up, Antonio José Sánchez Mazuecos from Spain.

In November 2006, Sitnik released a CD with accompanying music book called My Vmeste ("We Are Together").

She has released three music videos: Malenkiy Korablik ("Little Ship") in 2006, Prostaya Pesenka ("Simple Song") in 2007 and Non-stop in 2009.