Jennifer Aniston has long been known for her girl-next-door look – so it’s no surprise that jeans have long been a wardrobe staple for the Friends star. Over the years, the actor has cycled through a whole range of different styles, from high-waisted and baggy to cropped and ripped.

There’s one in particular that’s always been a favourite, though: the bootcut. First spotted wearing the subtly flared jeans back in the early Noughties, Aniston has returned to them time and time again, from Mother’s Cruiser jeans to Nili Lotan’s Oakland style.

Other go-to brands include the likes of Rag & Bone, Citizens of Humanity and J Brand, with the star opting for hard-wearing classics that’ll stand the test of time. As Aniston celebrates her 54th birthday, take a look back at 17 of her best denim moments below. Nothing separates Jennifer Aniston from her jeans. There is simply no season or occasion she won’t try them on for, as we’ve learned over the years while tracking her style. From red carpets to date nights, Jen has proven that denim isn’t just a sign of a casual look. While she’s admitted skinny jeans aren’t her favorite in the past, and she clearly knows how to rock a slouchy fit, the star’s managed to come up with a handful of ideas for every silhouette in the book. Read on for a few of her most trustworthy lessons, some of which come from the ’90s but can still easily be applied today.