The 'Dear Class of 2020' special may have had some unusual performances, but few of them came close to this one.
However, this performance is sure to put a smile on your face.
The cast - Moira, Johnny, David, Alexis, Twyla, Stevie, Jocelyn and more - joined forces with none other than Mariah Carey to sing her hit 'Hero'. And her two kids Roc and Roe even made an appearance.
It's worth it for David's hysterical reaction alone.
Watch it below: