Nelly Petkova was born in Karlovo, Bulgaria. Since her early childhood she has been focused on her development as a singer. Petkova studied Folk Arts her entire academic career culminating in her graduation from Sofia University with a major in Folk Singing. Her passion for Folk singing has led her to incorporate her unique vocal style into her pop songs.

In 2004, she made her debut on Bulgarian National Radio where, with the radio folk orchestra, she recorded four songs. At the end of that year Nelly Petkova won the competition to become the lead vocalist for the number one rated show in Bulgaria, Slavi’s Show and Ku Ku Band. There followed a number of appearances, including over 1300 live shows on national television (bTV), more than 100 concerts in Bulgaria and abroad, 3 national tours: “National Tour” (2005), “We Go On” (2007) and “No Mercy” (2009), a tour in the USA and Canada “American Tour” (2010). With Ku Ku Band she recorded 3 studio albums – We Go On (2007), No Mercy (2009) and Macedonia (2010).