Kate Middleton's French Sister-in-Law Wore My Fave Affordable Parisian Brand

Kate Middleton's sister Pippa never needed an introduction again after that bridesmaid dress, but now there's yet another chic member of the family to keep an eye on. In September, Alizee Thevenet married Kate and Pippa's brother, James Middleton, and she has a cool, relaxed kind of style that I think you'll love. Thevenet is French, works as a finance director in London, and from the looks of her Instagram, happily co-parents James's five dogs. How cute are they? 

Thevenet and Middleton recently attended a carol service at Westminster Abbey hosted by the Duchess of Cambridge. For the royal affair, Thevenet stayed true to her French roots and wore a suit by Sèzane, an affordable Paris-based brand. The label has long been my favorite for under-£200 pieces with Parisian flair, including striped tops and plaid blazers. Scroll down to see how she styled a Sézane suit and see more of Alizee's cool outfits.

Alizee Thevenet pictures

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On Alizee Thevenet: Sézane Christie Jacket in Burgundy Houndstooth (£155) and Fabio Trousers (£125)

Alizee Thevenet photos

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Alizee Thevenet at Kate Middleton's event wearing a Sézane suit

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See Alizee's Trouser Suit From French Brand Sézane

Sadly, Alizee's exact blazer is sold out, but it also comes in several other colours. 

The matching pants are also selling extremely fast. 

See More of Alizee's Outfits

Alizee Thevenet outfits

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Kate Middleton's sister-in-law Alizee Thevenet and James Middleton

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James Middleton's new wife Alizee Thevenet

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Alizee Thevenet style

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Shop Other Trouser Suits

I'm obsessed with this deep red colour. 

The kind of trousers that you'll still be wearing in a decade. 

This high street jacket is becoming a fashion editor staple.

The dark brown gives a nice break from black suiting.

The coolest inclusively-sized suit I've seen to date.

The trousers would also look good with a bright jumper.

For a more casual take, this does the job.

You can easily mix and match this suit with other pieces from your closet. 

Next, Jennifer Aniston and J.Lo both wore the denim trend I'm replacing skinnies with

This story was originally published on Who What Wear US and has since been updated.

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