The opening night of Lollapalooza proved too hot to handle for some as audience members reportedly passed out from the heat during Lorde‘s headlining set.

On Thursday night, the 2x Grammy winner briefly paused her performance to check on fans near the stage who were losing consciousness, calling security over to help them, according to multiple outlets.

“You look hot from up here,” said Lorde as she greeted the packed audience at her opening night set in Chicago, Rolling Stone reported.

During her set on Thursday, Lorde performed “Royals”, “Supercut”, “Greenlight”, “Ribs” and more, including “Girl, So Confusing” with a surprise appearance from Friday headliner Charli XCX.

Lorde’s triumphant return to the Lollapalooza stage as a headliner comes after she first performed at the music festival in 2014, shortly after breaking out with her two-time Grammy-winning debut single “Royals”.

The New Zealander most recently released her fourth studio album Virgin last summer.

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