Beyonce’s Longtime Makeup Artist Sir John on Working With the Star, Beauty Trends & Festival Glam

I know it sounds like a lot, but have fun with glitter and light reflective products; crazy holographic nails and eyeshadow would be beautiful, anything that looks like an oil spill and has that three-dimensional color-quality. If you're completely normal and you just don't do color, take your eyeliner and use …