She represented her country in the 57th Miss World, which took place in Sanya, China 1st of December 2007.Lisa-Mari, who stands 177 cm, competed in the national beauty pageant Frøken Norge, held in Lillestrøm 9th of april 2007 and obtained the title as Miss Norway after placing first of over 2000 contestants.She will also represent Norway in Miss Universe 2008, because of a change in the Frøken Norge competition.