Magdolna "Magdi" Rúzsa (Hungarian pronunciation: ['m?gdoln? 'ru???]; Serbian: ???? ????????, Ruža Magdolna; born 28 November 1985) is a Hungarian singer who won the 2006 title of Megasztár ("Megastar"), Hungary's nationwide talent search, that resembles, but is not based on, Pop Idol.
As the winner of the category "Newcomer of the Year" at the Fonogram Hungarian Music Awards in 2007, she represented Hungary at the Eurovision Song Contest in Helsinki, Finland with the song "Unsubstantial Blues".
She finished ninth and won a Marcel Bezençon Award in the Best Composer category.
She often performs songs by her favorite singer, Janis Joplin.