K-pop girl group TWICE have released the music video for their single "TT." In just one year they have already become a dominant force in k-pop and this Halloween-themed video is another prime example why - racking up nearly 8 million views in the first day.

"TT" refers to the emoticon of somebody crying, where the top of the T's is the eyes and the bottom are the tears streaming down someone's face. This works with the theme of the song as the members try and navigate the tough road of a new relationship.

The different girls show off their personalities through their costumes - some dark and others more playful. It is a big budget and engaging affair that is constantly switching between the various members of the group as they get through the song. There are sections where they all get to together to do some choreographed dancing that looks like Ts.

With the popularity of this video and the group, these costumes are probably going to get a bump as well as Halloween comes right up in the next week.

The video ends with a "To Be Continued" message, hinting their could be more visuals to come and speaks to the sequential nature of the EP.

"TT" is taken from TWICE's new EP TWICEcoaster Lane 1, released today. Black Eyed Pilseung, who also worked on hit songs "Like OOH-AHH" and "Cheer Up", produced the lead single "TT".

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The EP has six other tracks including "One in a Million" and "Next Page."

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