i wouldn't... she may make a post about you here about your "performance"...

Record her and then just auto tune it and keep following her around playing it.

The truncated headline on my tablet is a little unfortunate

Yes, before someone else does

Depends on how cute her butt is.

Let simon cowell tell her

Yes Tell your girlfriend she sounds like a cat being strangled then update us on how it went.

Rock and a hard place !!!

Yes!

No.

Maybe just leave the room

No! That would be a dick move. Lighten up and let her sing

Unless you can sing better than her, let her croak in peace.