You can do magic with makeup, so don't underestimate it's power! From how-to here are some good tips on using makeup to make your face look thinner: 5 Tutorials to Teach you How to Make your Face Look Thinner - Makeup Tutorials:
Contouring and Highlighting Step-by-Step. This tutorial will show you step by step how to contour and highlight your face . It’s very easy. You will need two foundations one for contouring and one for highlighting.