United Kingdom, July 9 -- Sigrid is trying to not take herself "too seriously".

The 28-year-old star is "having fun again" on her new single Jellyfish, confessing that she "really wanted to be taken seriously" earlier in her career.

She told The Independent: "I'm so thankful for all of it, obviously, but it's kind of going through a washing machine. And I think on the second album [How To Let Go] , I really wanted to be taken seriously and I put a lot of heavy pressure on myself to write serious songs."

Sigrid admits that she adopted a much more relaxed attitude while making Jellyfish.

She said: "I think you can hear it in the song. I'm not trying to sing perfectly."

The music star - who released her debut album, Sucker Punch, back i...