Jonna Geagea (prev. known as Jonna Kosonen) is a Finnish singer. Her first solo career single is Taasko se alkaa which was released in June 2010. In September she released the second single "Katso Mua". Also her debut album is called Katso mua and it was released in October 2010. Kotimatka was released as third single in December 2010. Jonna became popular from a Finnish girl duo Nylon Beat. After Nylon Beat she set up her own band Jonna's Problem.