Im Da-young (Hangul: 임다영), better known as Dayoung (다영), was born on May 14, 1999 (age 21) in Jeju, South Korea. She is the lead vocalist of the South Korean-Chinese girl group Cosmic Girls and is a member of its Wonder Unit.[1]


Before debut, she joined the show K-Pop Star but did not get past the third round.[8]

She was later cast as a trainee under Starship Entertainment and trained for a total of four years.[9] She was revealed to be a member of the group Cosmic Girls as the Wonder Unit on December 10, 2015 and proceeded to debut with the group as a lead vocalist on February 25, 2016.[5][6][10] On December 21, 2015 she participated in a cover of Mariah Carey's "All I Want for Christmas Is You" along with SeolA, Bona, EXY, Dawon, Eunseo, Cheng Xiao and Mei Qi.[11]

She attended SOPA (School Of Performing Arts) Seoul before graduating on February 9, 2018.[12]



Year Title Role
2016 Like a French Film Unknown

Variety ShowsEdit

Year Title Network Notes
2011 K-pop Star 1 SBS Contestant
2018 Running Man Guest[13]
Urban Legends KBS with Soobin, Yeoreum and Yeonjung[14]
Water Girls Channel A Cast member[15]
2019 ADARI TV M2 Cast member

Official LinksEdit


  1. 1.0 1.1 1.2 1.3 1.4 Dayoung's "MoMoMo" profile.
  2. 2.0 2.1 2.2 Profiles on the Official Website.
  3. WJSN Show Episode 5. Retrieved April 19, 2019.
  4. Monsta X and WJSN 14 Member Project Group "Y-Teen" Lineup. Kpopmap Retrieved September 27, 2018.
  5. 5.0 5.1 Wonder Unit Reveal Teaser Retrieved September 9, 2018.
  6. 6.0 6.1 "Cosmic Girls 1st Wonder Unit - Bona, Cheng Xiao, Dayoung. TenAsia (in Korean) Retrieved October 23, 2018.
  7. Dream Your Dream φορεύς Unit teaser.
  8. KPOPSTAR ep.6 Im Dayoung - Lonely. Retrieved October 28, 2018.
  9. After School Club (Ep. 203) WJSN. Retrieved October 29, 2018.
  10. Cosmic Girls Makes Long-Awaited Debut. Yonhap Retrieved October 29, 2018.
  11. "All I Want for Christmas Is You" Cover. Retrieved October 28, 2018.
  12. Idols Graduate From School of Performing Arts Seoul. Soompi Retrieved October 28, 2018.
  13. Running Man to Feature Members of WINNER, AOA, MOMOLAND and WJSN on Upcoming Episode. Soompi Retrieved October 28, 2018.
  14. WJSN joining "Urban Legends"... The Birth of Entertainment? Naver (in Korean). Retrieved September 30, 2018.
  15. dayomi99 Instagram update about water girls. Retrieved December 28, 2018.
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