Lorde danced above the crowd as fans sang along. In a white button-down with a bikini top underneath and baggy jeans, the singer punched the air and swayed as listeners lifted their phones to capture the moment, flashes lighting up the darkened park.

Lorde is ushering in her comeback with a bit of chaos as the superstar debuted her new single "What Was That" in front of hundreds of fans at Washington Square Park Tuesday night, before sharing Wednesday that the song would drop Midnight tonight,

Here’s what we know: according to some Reddit users, Lorde—the 28-year-old artist known for her unique alternative pop style—sent out a message to her "community text thread," simply urging fans to meet her at the park tonight at 7pm.