![Coopik 💜 on Twitter: "@firstsight_jk @BT21_ @BTS_twt I have a feeling they'll do their traditional Halloween dance practice in these costumes" / Twitter Coopik 💜 on Twitter: "@firstsight_jk @BT21_ @BTS_twt I have a feeling they'll do their traditional Halloween dance practice in these costumes" / Twitter](https://pbs.twimg.com/media/DY0yACWX0AEOPIw.jpg)
Coopik 💜 on Twitter: "@firstsight_jk @BT21_ @BTS_twt I have a feeling they'll do their traditional Halloween dance practice in these costumes" / Twitter
![HeyIm JC no Twitter: "Imagine BTS wearing their BT21 costumes for Halloween and will perform GO GO 😂😂😍 https://t.co/F9k497wRbR" / Twitter HeyIm JC no Twitter: "Imagine BTS wearing their BT21 costumes for Halloween and will perform GO GO 😂😂😍 https://t.co/F9k497wRbR" / Twitter](https://pbs.twimg.com/media/DM5ifswXkAAvQ1n.jpg)
HeyIm JC no Twitter: "Imagine BTS wearing their BT21 costumes for Halloween and will perform GO GO 😂😂😍 https://t.co/F9k497wRbR" / Twitter
![HeyIm JC no Twitter: "Imagine BTS wearing their BT21 costumes for Halloween and will perform GO GO 😂😂😍 https://t.co/F9k497wRbR" / Twitter HeyIm JC no Twitter: "Imagine BTS wearing their BT21 costumes for Halloween and will perform GO GO 😂😂😍 https://t.co/F9k497wRbR" / Twitter](https://pbs.twimg.com/media/DM5ieyAXUAArdq4.jpg)