So, you know how easy it is to get stuck in a denim rut? Well, Little Mix's Perrie Edwards (spotted after appearing on the Late Show With David Letterman in New York yesterday) has reworked her basics wardrobe in one move, by breaking out a pair of oversized mom jeans. Hey presto: her crop top, Conversebackpack and red lip combo is totally revived. Yes! Bonus points for the carpenter-style flap pockets, too. 

Looking to update your denim jacket? Check out how Kendall Jenner does it.