Kristin 'Krista' Siegfrids is a Finnish pop singer born in Swedish-speaking minority in Kaskinen in western Finland. Her mother language is Swedish, though she also speaks fluent Finnish and English. She has been studying in Vaasa to be a teacher.

Siegfrids started her career with her band Daisy Jack in 2009. Their first single was released in October 2011. She achieved her first musical role in the musical Play Me (2009-2010) at the Swedish Theatre in Helsinki. Her next major career step was to be cast in the rock musical Muskettisoturit, (The Three Musketeers, 2011) at the Finnish Peacock Theatre in Helsinki. Siegfrids participated in the first season of The Voice of Finland (2011–2012) but was eliminated in the semi finals.

Siegfrids participated in Uuden Musiikin Kilpailu 2013 for the Eurovision Song Contest 2013 with the song "Marry Me". The 27-year-old Siegfrids won the contest by attaining the maximum vote of both the public and judges. She was elected to represented her home country in Malmö, but could only manage 24th place in the final.

Her debut album, named Ding Dong!, was released on 10 May 2013. In 2013, it was announced that she would be a guest on spin-off show Big Brother's Bit on the Side in the fourteenth series of Big Brother UK.

Siegfrieds was the spokersperson for Finland in the 2015 contest in Vienna.

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