As part of the show's finale, X Factor aired a video mash-up of classic "Demi annoys Simon" moments from throughout the season.
The first time they showed Demi's reaction she was not pleased.
The second time, Demi looked on in horror.
By the third time they showed her reaction, Demi was CLEARLY pissed.
And it looked like she said "that's fucked-up."
When it ended, Demi responded with class...
...and eyes like daggers.
And Simon smiled.
Watch the whole clip here:
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