The mother, and manager, of reality TV’s most famous clan has created a strange new form of family business — and has changed the nature of celebrity, says Taffy Brodesser-Akner

Irish hotels, car dealerships and even gyms are investing in “ambience scenting” in a bid to entice customers but does the way a business smells really increase our spending?

Grammy-winning pop diva Mariah Carey has made a sweet-smelling deal in which she will develop and market her own line of fragrance products by Elizabeth Arden.

Mariah Carey has made a sweet-smelling deal.