It was ok. Sometimes she nails the high notes, sometimes she doesn't. I think the guitar is too distracting for her but she'll probably get better at it.
She is clearly playing it here. The song is written and performed by two guitarists on the album too.
Sis I've been playing guitar for 10 years and at least half of her finger positions are complete BS. And you can barely hear the chords she was trying to strum. She needs to practice more before performing it on national TV because tbh it looks a bit pathetic. My favorite sucks at guitar too but at least she does play the chords right.
OT: great performance of the best song on the album her melismas in the "where do you think you're going" part were a mess though and the way she enunciated "girl" annoyed me as well.