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

On this week's episode, SHINee's Key returned with "Good & Great," Her Youngji came back with "L.O.V.E" and EL7Z UP made their special debut with "CHEEKY," and POW with "Favorite." BTS's V also made his solo debut with "Slow Dancing." 

As for the winners, BTS' V and AKMU were the nominees, but it was V who took the win with "Slow Dancing." Congratulations to V!

Other performances included Hwasa, DAY6's Young K, Kim Sejeong, CRAVITY, BOYNEXTDOOR, RIIZE, Rocket Punch, mimiirose, Shin Hyunhee, Lee Chaeyeon, TRENDZ, PURPLE K!SS, H1-KEY, and Hwasa.

Watch the performances below!

WINNER: V

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Solo Debut: V

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Debut: EL7Z UP

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Debut: POW

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Comeback: Key

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Comeback: Hur Youngji

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Comeback: CRAVITY

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Comeback: mimiirose

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Young K

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Hwasa

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H1-KEY

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RIIZE

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Rocket Punch

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TRENDZ

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Lee Chaeyeon

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Kim Sejeong

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PURPLE K!SS

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Shin Hyunhee