Trends are, by nature, short-lived. But there are some trends that live on and become classics. The denim-on-denim trend seems to be heading that way, given that it's been over a year and we're still loving it. It can be a little intimidating to try, but if you wear it smartly and carry it off with a little confidence, you can totally own this look. And if you're looking for tips and tricks on how to, just look at our fave celebs for some denim inspo.