While permanent tattoos have long been a common choice for body modification for adults, temporary tats are typically brushed off as a trend for tweens. That is, until Flash Tattoos came onto the scene. These metallic body adornments are popular with celebrities and music festivalgoers alike, but even if you fit into neither of those categories, you'll still admire the beauty of these neat appliqués. Not sure how to style yours? Scroll through and take a cue from these Instagram users — and don't blame us if you end up wanting to bling out your entire body.