Jonna Pirinen

Back in Finland, in December 2010, Jonna released her first independently produced song Puppets. On 14 January 2011, she participated with Puppets to the first semi-final for the Finnish national selection for the Eurovision Song Contest 2011. She released her second single "Simple life" from her upcoming album in June 2011 and during the summer of 2011 she played the female lead part in a summer theater production called Rölli ja Metsänhenki (The Troll and the Forest Spirit) in Joensuu, Finland.

Jonna has previously performed in the musicals Hair (2003) and Grease (2002–2003) and Hello Dolly! (2000) and she was hosting a TV-show called Voice out! on Yle TV2 in 2004. She has worked as a backup dancer for a dance artist called K-System and performed as a dancer in show dance groups "Step up" (2001–2002) and "Cat people" (1996–2001). She has won three Finnish championships with show dance and hip-hop group formations and was the best female solo dancer in the disco and show dance competition in 2002.

Jonna became a member of The Church of Jesus Christ of Latter-day Saints at the end of 2003.

She became known in 2002 for her participation to the Finnish edition of talent scouting show Popstars, where she was selected as fourth member of the girls' group Gimmel. However, after less than a month she quit from the group and embarked on a solo career.

Jonna has worked as a dance teacher since 1996 in such dance schools as "Pohjois-Karjalan tanssiopisto" and "Helsingin tanssiopisto". She has been making dance choreographies to her music videos such as "Tyytyväinen" ("Pleased"), "Kaikki talossa" ("All in the house"), and "Puppets".

Jonna Christensen (née Pirinen, born 28 December 1982), better known by her stage name Jonna, is a pop and R&B singer/songwriter from Finland. She has released three albums, over ten singles and several music videos.