1) Kim Seo-hyeon (born December 10, 1993), known professionally as Katie Ki… Read Full Bio ↴1) Kim Seo-hyeon (born December 10, 1993), known professionally as Katie Kim, or by the mononym KATIE, is a South Korean-born American singer based in Los Angeles who finished first in K-pop Star 4. Her breakthrough performance of "Where You Need To Be" reached 4 million views on South Korea's leading video-sharing site, Naver TV Cast, in the shortest amount of time in K-pop Star history. After winning the show, she decided to sign with YG Entertainment.

In May 2018, Katie joined AXIS, a new company founded by former YG creative director SINXITY. Her debut extended play, LOG, was released on May 22, 2019.

Other Katies:
2) Katie is a singer-songwriter from Wales.
3) Katie is a two man band from Marsberg, Germany.