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Leeseo (이서) is a South Korean singer under Starship Entertainment. She is the maknae of the girl group IVE.


2021: Debut with IVE

On November 7, 2021, Leeseo was revealed as the sixth and final member of IVE.[1] The group debuted on December 1, 2021 with the single album "Eleven".

2022: "Blue & Black"

On June 6, 2022, it was announced that members of IVE, OH MY GIRL, and CRAVITY would collaborate for a digital single that would be released as part of Starship Entertainment's ongoing collaboration project with Pepsi. That same day, the members of said groups that would be participating were revealed, including LeeSeo.[2] The collaborative single, titled "Blue & Black", was released on June 28.




  • She is a former member of SM Entertainment's Kids Model 1st Generation.[3]
  • She trained for 2 years.[4]
  • She practiced her facial expressions in the bathroom while washing.[4]
  • She used to eat something sour to practice her winking.[4]
  • She was street-casted at a department store.[4]
  • Her MBTI personality type is ENFP.[5]


Main article: Leeseo/Gallery