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