She released her first album Engjëll (Angel) in 2005, with songs including "Taxi", which brought her a degree of popularity.[3] During the four coming years she released three albums, Opium in 2006, Another World in 2008 and her self-titled album Nora in 2009. After 2009, she released a number of songs, including "Le Mama" with Gena, "Big Love", "Ski me ikë".[4] Istrefi is the daughter of Suzana Tahirsylaj, a popular Kosovo-Albanian singer in the 1980s and '90s.[5] Her younger sister Era Istrefi is also a singer.[6] She is in a relationship with Robert Berisha. They were engaged on 22 May 2008 in Pristina. On 2 September 2014, the couple married in Pristina. They have a girl named Renè.[7][8]