Mnet's 'M! Countdown' is back for its weekly show featuring performances by your favorite artists!

On this episode, MONSTA X made a comeback with "All In", B.I.G came back with "Aphrodite", AOA returned with "Good Luck", and HEYNE made her comeback with "Love Cells".

As for the winners, Akdong Musician and TWICE were nominated for 1st place, but it was TWICE who took the win with "Cheer Up"! Congratulations to TWICE!

Other performers this episode were Woohyun, Akdong Musician, Tiffany, Lovelyz, IOI, Seventeen, TWICE, Lee Hi, Kum Jandi, Lou.de, LABOUM, V.O.S, UP10TION, April, and Cra'beat. 

Check out the performances below!

SEE ALSO: BTS win #1 + Performances from May 12th 'M! Countdown'!

===

COMEBACK: MONSTA X

==

COMEBACK: B.I.G

==

COMEBACK: AOA

==

COMEBACK: HEYNE

===

Woohyun

==

Akdong Musician

==

Tiffany

==

Lovelyz

==

IOI

==

Seventeen

==

TWICE

==

Lee Hi

==

Kum Jandi

==

Lou.de

==

LABOUM

==

V.O.S

==

UP10TION

==

April

==

Cra'beat

===