It comes after Madonna used old interview clips of Cher in her ongoing tour dates
"My mother, god bless her, she must be watching over me, she said, 'Girl, it's not your time to go'"
"Each and every one of you have the power and ability to turn light on in the world"
"I hope that you hear the humanness of the vocal coming across"
Clips of the moment have been shared on TikTok
The actor auditioned to play Debi Mazar in the now-shelved film
The Queen of Pop covered Gaynor's 1978 hit in London over the weekend
The festival's co-organiser shared a photo from one of Madonna's shows at The O2
Madge delivers the hits in dazzling fashion, but it's the show's emotional moments that make it truly special
She also paid tribute to victims of the conflict in Israel and Gaza