Rob Huebel claims Mariah Carey caused chaos with her demands when she shot a cameo on upcoming comedy 'The House'.
![[Exclusive] Mariah Carey discusses her new Christmas movie, 'All I Want For Christmas Is You'](http://www.femalefirst.co.uk/image-library/land/250/a/all-i-want-for-christmas-film-still-3-mariah-carey.jpg)
