You may have thought that these stars debuted as idols, but actually, they debuted much earlier as none other than child actors!  They made the switch from acting to singing (and maybe even back to acting), showing that they're quite versatile talent to keep an eye out for - especially because their experience goes back much further than you may think. 

Check out their cute acting moments below!

SEE ALSO: Watch 'Music Bank' Live feat. TXT, NCT DREAM, ILLIT, ENHYPEN & more!

G-Friend's Eunha

Look at cutie Eunha in 'Love & War'!

Boyfriend's Minwoo

"Goblin goblin goblin"

Sulli

Looks exactly the same!

iKON's Jung Chan Woo

He specifically played Lee Min Ho twice in both 'Boys Over Flowers' and 'Heirs.'

T-ara's Eunjung

Even working alongside Jung Il Woo lucky girl.

Oh My Girls' Binnie

This is her briefly in 'Baker King Kim Tak Goo.' She previously talked about also meeting Song Joong Ki through 'Sungkyunkwan Scandal.'

F.T Island's Hongki

Hongki is a very talented singer now but actually started in entertainment as an actor.

BESTie's Haeryung

A clip could not be found, but here are some cute still cuts from her young acting days!

Gyuri

Before leading KARA, Gyuri was an actress!

ASTRO's Moonbin

You can barely see him here, but he's the younger version of Kim Bum's character. He was also Yunho's child partner in the "Balloons" MV.