"Lonely" is a song by Danish electropop singer Medina from her international debut album Welcome to Medina.

It was released as album's second single on 3 September 2010 in Germany, Austria and Switzerland.

Co-written by American singer Terri Bjerre, the song is an English version of "Ensom", which was released as the third single from Medina's second Danish studio album on 2 November 2009 in Denmark.

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