Day 2; I've started research into lips. Keeping it strictly female, currently. Though it's difficult to find nude lip reference. Here are a collection of female celebrity lips, 2 for each celebrity (left-to-right: Dita von Teese, Lucille Ball, Kim Basinger, Angelina Jolie, Nicki Minaj, Jennifer Garner, Megan Fox, Rihanna,…