Possible Clues:

• The Beatles' "I've Just — Face"
• '... -- purple cow'
• ''I've Just __ Face'' (Beatles tune)
• 'You look like you've ___ ghost!'
• ''. . . like you've __ ghost''
• ''. . . like you've __ ghost!''
• ''. . . like you've ___ ghost!''
• ''... like you've ___ ghost!''
• "...like you've --- ghost"
• '...like you've ___ ghost!'