Yes, Marilyn Young rings your doorbell, but that's about the only similarity between this makeup artist in the Manolo Blahnik shoes and an Avon Lady. She drives up in her bright red Ferrari, hauls out 143 shades--all the essential pigments and palettes needed to create custom-blended makeup--and heads for the part of the house that has the most natural light. "I've blended makeup on the tailgate of a pickup truck because that was the only place where the light was good," she confides.