georg sings most of the backup but tom sings a bit of backup! Gustav does not sing
the dells
Tom Kaulitz sings the background vocals ;)
No one.He just sings and then they rewind and he sings backup.
The trolololololololol guy
rockwell and Michael Jackson as the backup
pete and joe usally sing backup but theres one part in the song that butch walker sings.
nick mainly but joe sings a little Kevin is backup
Linda Davis
Michael Jackson
Drake Bell.
Jennifer Lopez