For Kat Graham, this week's StyleList guest editor, looking your best on and off the red carpet is part of the job description. While we would argue Kat doesn't need any help in that department, what girl doesn't love to put on a little makeup here and there?

From YSL to L'Oreal, we had to find out what Kat keeps in her coveting makeup bag. Check out the gallery above and don't forget you can shop all the products on Kat's list by clicking the 'Get it Here' button.