Nanne Grönvall (born Marianne Elisabeth Nordqvist on May 18, 1962 in Stockholm) is a Swedish singer-songwriter. She's married to Peter Grönvall, who's the son of ABBA's Benny Andersson. Nanne has participated in the National part of Eurovision Song Contest 8 times, won it once with their group One More Time and ended up in 3:rd place in the international competition. She has, beside her musical career, had her own radiotalkshow and hosted many other radioshows, acted in several theatre and musical-productions, among others she did the leading part of Sweet Charity. She has toured Sweden many times in her own name and also had her own shows in the two biggest cities in Sweden, Stockholm and Gothenburg. She had great success around in Europe together with her group One More Time in the 90s and later on Ritchie Blackmore recorded their hitsong Highland with his group Blackmore's Night.