Guys, BTS is losing to EXO on Billboard.
https://www.billboard.com/articles/news/8496311/super-bowl-halftime-show-perform-vote
No login or payment required. Click on the link and scroll down.
A shield shape will appear. If you wait in that state,
A list of celebrities appears
Just press BTS there and you're done!
Something will pop up telling you to write, but just ignore it and leave.