Inga Arshakyan , who was part of Genealogy in 2015 , represented Armenia in , collaborating with her sister as part of Inga and Anush . Michele Perniola and Anita Simoncini both previously represented at the Junior Eurovision Song Contest : Perniola took part in , and Simoncini took part in as part of The Peppermints . Amber , who represented , was a backing vocalist for the Maltese entry in 2012 . Uzari , who represented , was a backing vocalist for the Belarusian entry in 2011 . Elnur Hüseynov , who was 's debut representative at the Eurovision Song Contest 2008 , as part of the duo Elnur and Samir , was internally selected to represent the nation for a second time . Raay , who is a part of the Slovene duo Maraaya , was a backing musical performer for the 2014 entry of . Hera Björk , who previously represented Iceland in , returned as a backing singer for Iceland 's entry . Nicolas Dorian , part of Witloof Bay , Belgium representatives in 2011 , was part of the backing vocalists of Loic Nottet
Eurovision Song Contest 2008
Eurovision Song Contest 2008
Eurovision Song Contest 2015