Ever since there were Hollywood stars there have been star product endorsements.
Corporations and their advertising companies were quick to understand that those larger than life figures floating like angels on the silver screen were potent persuaders. Thus, the synergistic relationship between one product, the movie star, and another product, cigarettes, perfume, makeup, whatever, was born and continues with increasing power and sophistication to this very day.
The idea is simplicity itself: Buy me, be me.