Fans were all in cheers as ACES performed for the first time as a duo of Jiwon and Joo. But they weren't alone as f(x)'s Krystal and Red Velvet's Irene were there to support their fellow artists.

SEE ALSO: ACES to make a comeback in the middle of the year

ACES performed a track they never performed before. According to reports, this song 'Crying' is a song that'll be in ACES's new album to release this year. But that wasn't all, ACES also performed Trouble Maker's 'Now' with Super Junior's Eunhyuk and Donghae. Also with SHINee's Taemin and EXO's Kai. Fans were happy to see ACES together after a long time apart and they hope for a comeback soon.

'Crying'

Jiwon→Bora
Joo→Hyorin
Krystal→Soyu
Irene→Dasom

'Now'

Jiwon→Yura
Joo→Sojin
Krystal→Minah
Irene→Hyeri
Eunhyuk→N
Donghae→Leo
Taemin→Ken
Kai→Hongbin