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

This week's special episode featured highlight special performances from the first half of 2021.

As for the winners, TWICE and Brave Girls were the nominees, but it was TWICE who took the win with "Alcohol-Free". Congratulations to TWICE!

Performers included ENHYPEN, aespa, TREASURE, Rain, Sunmi, Hoshi, Taemin, Golden Child, (G)I-DLE x IZ*ONE x Weki Meki, VICTON x ASTRO x Pentagon, (G)I-DLE, Kim Woo Seok, Kang Daniel, SHINee, Brave Girls, BLACKPINK's Rose, ASTRO, NU'EST, ITZY, NCT Dream, TXT, and TWICE.

Watch the performances below!

WINNER:

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ENHYPEN

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aespa

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TREASURE

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Rain

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Sunmi

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Hoshi

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Taemin

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Golden Child

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(G)I-DLE x IZ*ONE x Weki Meki

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VICTON x ASTRO x Pentagon

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(G)I-DLE

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Kim Woo Seok

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Kang Daniel

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SHINee

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Brave Girls

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BLACKPINK's Rose

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ASTRO

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NU'EST

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ITZY

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NCT Dream

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TXT

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TWICE

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