I mean they dont stand a chance but they've got their hopes up again and they're practicing their songs.

Its embarassing to go out first week but to come back and be rejected again must be awful

No, not at all.

For one, they don't have to do it if they don't want to.

It's exposure, it's publicity, it's a chance to boost their profiles and bump up their post-X Factor careers. If anything, they should really enjoy it more than their first week, seeing as the pressure's off, there's no genuine expectations being placed on them given it's widely acknowledged Amelia will get through.

.
none of the four rejects have to be in this new vote off. Their choice.