God I hate knowing about this. But anyway.
Quick compare and contrast. The original versus the ‘professional‘ versions of a cover version of a ’song’.
Essentially, these girls can’t carry a note. Not that it’s a vital quality for that particular tune, but at least the original singer (who incidentally now writes songs for Girls Aloud??) had a decent voice.
“The twins” are going nowhere, but at least keep them quiet with a TV hosting gig rather than pretending that they can do anything but lip synch.