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Mom jeans are the best kind of weekend wear, especially the semi-fitted, light-wash kind the "Fetish" singer was wearing while out and about. The coloring gives it that retro feel, while the two-tone hem gives it a modern update. Feeling a little too mature for your age? Pair it with a lightweight blouse featuring a low neckline. Adding a textured jacket, in velvet or corduroy, over top gives it dimension. There you have it: the perfect fall combo.