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ESC, Wide-Leg Trouser Market, Hailey Baldwin

Steve Mack/Getty Images for Jue Lan Club

Your back-to-school wardrobe just got a major upgrade.

There's no denying Hailey Baldwin looks extra-cool in those trousers...and that's precisely why your closet needs a pair. Whether you're actually hitting the books this fall or you're just looking for fresh office outfit ideas, wide-leg pants are the way to go.

Now, you don't have to wear yours as baggy as the model (let's face it, bottoms that oversized definitely don't work on every body type), so to introduce you to various style options we've enlisted the help of Joan Smalls and Alessandra Ambrosio, too.

Click here to sophisticate your closet further.