And So It Goes,” the singer is opening up about some tough moments with longtime friend and tourmate Elton John.

John Mulaney and Olivia Munn at the 2025 Vanity Fair Oscar Party. WireImage Munn, 44, told GQ last year that she staged her own mini-intervention for Mulaney after he went to rehab.

John Mulaney has talked openly about his past addiction to alcohol, cocaine, and prescription drugs. And after relapsing in 2020, the comedian entered a rehab facility for two months.

Mulaney later revealed he had been abusing Adderall, Xanax, Klonopin, Percocet and cocaine. He went straight from the intervention to rehab, where he stayed for two months.