BjÃ rk was born Bjork GuÃ mundsdÃ ttir on 21 November 1965 in ReykjavÃ k , Iceland . She is an Icelandic rock singer , composer and actress . BjÃ rk GuÃ mundsdÃ ttir ( born 21 November 1965 ) , known as BjÃ rk ( in English ) , is an Icelandic Polar Music Prize-winning singer-songwriter , occasional actress , music composer and music producer , whose solo work includes seven solo albums and two original film soundtracks .