And we have another victim!
Honestly, we're so confused about why this photo hacker hasn't been stopped yet!
And it's starting to seem like no one in Hollywood is safe!
Such a sad thing to keep happening.
Belt your emotional face off Demi-corn!
And it was pure perfection!
The 21-year-old singer covered the heartfelt and twisted jam, nailing every haunting note!
Before the performance, Demi gushed to the crowd:
"This is my surprise. It's one of my favorite songs. This song means everything to me."
She's the best, isn't she?!
Ch-ch-check out the AH-Mazing performance (above)!