The star had invited a fan called Jack to join her on stage and jumped into his arms – but he lost his footing and the pair plummeted to the floor.
“We legitimately thought she was dead,” wrote one audience member on Reddit.
Instead, Gaga returned to play Million Reasons with Jack at her side. “It’s amazing,” she said. “We love each other so much we fell off the damn stage.”
“We fell into each other’s arms. We’re like Jack and Rose from Titanic.
“I suppose we should have some tea after that.”