READ: Caitlyn Jenner reportedly worried men won't be interested in her

The transgender activist who announced the collaboration with the cosmetics giant via Instagram shared a snapshot getting glammed up by her team.

According to reports all the proceeds from the lipstick sale will be towards MAC AIDS Fund Transgender Initiative - proceeds will benefit organizations and programs dedicated to improving transgender lives.

However, Twitter users have slammed the entire initiative claiming "Caitlyn Jenner is not a woman".