Ewa Maria Roos Sevenheim (born 12 June 1949 in Borås) is a Swedish singer and actress.

[1] Roos started her career at the age of thirteen when she won a talent search by the radio show Landet runt.

She won a lead singer place in the orchestra Bosse Lidéns orkester; she was so young that she needed permission from childcare services to sing at nights and evenings.

After that followed hit singles "Amors pilar", "Ole Okay", "Ding dång jag hör bröllopsklockor" and "Sjung bort bekymren".

[4] She also acted in several revue shows, among them along with Hagge Geigert at Lisebergsteatern in Gothenbyrg in 1970, and has also ventured in to theater[5] with the role of Dolly Tate in Annie Get Your Gun at the Chinateatern.