The Broadway legend also received an ominous note from the Phantom of the Opera during the interview.
"I went home, immediately fell asleep in the hallway of my apartment," the late night host told James Corden.
The winner of season 15 chats about the no-holds-barred finale episode, how she pulled off two iconic lip syncs in one episode, and being a voice for the trans community.
There has been no update so far on what sent the actor/singer to the hospital.
Ani nailed her performance of "Edge Of Midnight."
International stars Celine Dion, Richard Marx, Robbie Williams and the late Olivia Newton-John appear in the new doc.
Team Blake's contestant wielded the mic stand like he meant business.
Will Ferrell is also joining the late-night host for his last show later this month.
The animated movie has raked in more than $1 billion at the global box office and is now available to stream on Peacock.
The clip is cued to a dirrrty arrangement of Britney Spears' "Gimme More."