When you find your ultimate lipstick color, it's difficult to ever stray from it. Just ask Jennifer Aniston - that's how the actress feels about a very specific shade of Charlotte Tilbury lipstick. According to Marie Claire Australia, Aniston keeps her makeup pretty simple. "If I could only have five makeup products in my makeup bag, they would be mascara, lip balm and a good lipstick," she said. As for the exact lipstick she absolutely can't live without? "Charlotte Tilbury K.I.S.S.I.N.G. Lipstick in Penelope Pink.