three-year-old choupette , the white siamese cat , is ` richest cat in world '
she did advert for cars in germany and beauty products in japan last year .
both earned her £ 2.18 million and was first cat to front a beauty campaign .
this is just under the £ 2.4 million cara delevingne earned last year .
in new york karl lagerfeld 's moggy had her own room in £ 400 a night hotel .