Her performance wasn't well-received by the judges, although Jennifer Lopez praised her poise when her shoe was removed towards the end of the song.
"I would love to see you come out and do that in your guitar so people would see what we saw in you. This is not the best showcase of who you are. But the tremendous point in the end was crazy. You won my heart in that," Lopez said.
Check out Sellar's performance in the video below.
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