After a long tease and even a scavenger hunt, Halsey released her new single "Nightmare" last Friday.
Last night, she performed at The Armory in Minneapolis and she gave the single its live debut.
At the show, she asked fans not to use their phones, as part of the show was being filmed and she wanted "the video to show how amazing and passionate her fans are and not a sea of cellphones".
She did livestream the track and some other fan favourites, but the stream is now offline.
If it comes online again, you can watch it below.
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