Her voice was flawless, but her performace was so underwhelming. She didn't change a single lyric, melody, or anything to indicate that she was singing live. Vocally brilliant, but a little lifeless otherwise.
SHUT UP THAT KATY PERFORMANCE WAS NOT THE BEST, PLEASEEEEEEEEEEEEEEEEEEEEEEEE
LMAOOOOOOOOOOOOOOOOOOOOOOOO
not when Adele WAS ON THE HOUSEEEEEEEEE
GERLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLL
I bet she was saying after Adele's performance: