The fanny pack, or belt bag, is back in a big way, thanks to street-style stars, luxury brand iterations, and modern styling. Get tips for wearing yours like Kendall Jenner from a celebrity stylist.

It's no secret that 90s fashion came back with a bang. While some trends have just been revived, others have been reimagined and the belt bag is a great example of that. Some may call it a "fanny pack ...