Let's be clear. LED shoes shouldn't be a trend. No matter what. Unless you're a child of course. Adafruit has a way to easily convert any pair of shoes to light up with a NeoPixel strip and FLORA. In other words, if you want to look out and weird from the rest of society, go right ahead. But great for kids, yes.

Full instructions from Becky Stern and Phillip Burgess here: [Adafruit via Laughing Squid]