The common denominator in both pairs of shoes above entirely different design is the glitter over everything look.
Glitter is a cheap and easy to use mod for clothes.
Invest in a glitter spray can if you'd like to try these above looks. To get clean edging, tape off creases and just spray in even coats. This particular brand says its good on Wood, Metal, Wicker, Plastic, Glass, Ceramic, Paper, Paper Mache, Styrofoam.