People change through the passage of time as they mature and grow old. The changes occur more vastly from youth to adulthood. 

K-pop idols are no exception to these changes, as many idol group members debut at a young age. Therefore, their growth and changes can be seen more clearly as they grow up in the public eye. One netizen shared some of the photos of these idol group members, particularly the leaders comparing their debut photos to their recent ones.

So here are how the idol group leaders looked when they debuted to how they look now in the year 2021.

Girls' Generation's Taeyeon (Born 1989)

2007~2021
14 years active

Red Velvet's Irene (Born 1991)

2014~2021
7 years active

TWICE's Jihyo (Born 1997)
2015~2021
6 years active

Oh My Girl's Hyojung (Born 1994)
2015~2021
6 years active

Lovelyz's Baby Soul (Born 1992)
2014~2021
7 years active

Highlight's Doojoon (Born 1989)
2009~2021
12 years active

BTS's RM (Born 1994)

2013~2021

8 years active

NU'EST's JR (Born 1995)
2012~2021
9 years active

EXO's Suho (Born 1991)

2012~2021
9 years active

NCT's Taeyong (Born 1995)
2016~2021
5 years active