Some people might say that sweaters are the most classic piece of fall clothing, but we have to disagree.

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Shackets and flannel shirts are the classic layering pieces we can't go a year without. Even celebrities can't stay away from them.

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A navy blue plaid flannel tied around Hilary Duff's waist last month gave her matching workout clothes an edge.

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Megan Fox made the trend even more grungy by wearing a tattered red and green button-down shirt over leather cut-out pants, a cropped cami,

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and a burgundy fuzzy bucket hat. Pink was also seen with a classic red-and-black flannel slung over her shoulder.

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And especially for Swifties, fall is the time to listen to Taylor Swift's "Evermore" in a sad way, which always makes them want the flannel jacket

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she wears on the album cover. (No? Just us?) The good news is that you can easily copy the look with a plaid shirt,

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and it will cost you a lot less than Swift's Stella McCartney piece.

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Flannels are so versatile. They're casual enough to wear after the gym (and won't make you sweat even more),

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but they can also be dressed up with leather pants, a body suit, and heels for a night out. One can be worn open or buttoned up

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