MAC is the very famous brand name of cosmetics. MAC cosmetics are very famous. Zac Posen is the design of these cosmetics. Zac Posen and Caitlyn Jenner are partners on MAC.
They work with each other. MAC products are very helpful. People like MAC most between other brands. MAC is the latest collection of Makeup.
Caitlyn Jenner is a partner in limited edition lipstick collection. MAC lipsticks are very expensive and also beautiful. Many people want to use MAC lipstick but it is limited edition only some few lucky persons buy this lipstick. Caitlyn Jenner is doing the model role on MAC.