Kylie Jenner and Olivia Culpo's Insta-famous phone case will amp up your selfies

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We're always looking for ways to up our selfie game, and there's no better place to look for inspo than the Instagrams of the Kardashian-Jenner clan.

Whether it was Kim Kardashian's pioneering of the light-up LuMee phone case, Kylie Jenner dominating the Snapchat game or Kendall Jenner mastering the mirror selfie, reality TV's first family has been at the forefront of social media's most pervasive form of photo — I mean, Kim literally published a coffee table book made up of just selfies.

So, whenever we notice a new trend emerging in the Keeping Up With the Kardashians stars' social media posts, we take note, and when Kylie started posting selfies that showed off her chic new phone case, well, we had to find out who made them.

The squared-off, faux black marble phone case that the Kylie Cosmetics mogul had been using was made by iDecoz, an extremely Instagram-popular brand that started back in 2013 by selling home button stickers for your iPhone.

Now, their sleek phone cases have been spotted on the iPhones of countless celebrities: In addition to Kylie, who showed off her case in a matchy-matchy mirror selfie with her daughter Stormi back in July 2019, Olivia Culpo has also been spotted with an iDecoz phone case. The Sports Illustrated model prefers the brand's patented Phone Mirror, which aims to replace the timeless purse staple — a compact mirror — with the restickable mirror that can easily adhere to the back of your phone case of choice.

Other fans of the brand's cases? Multiple Real Housewives stars like Melissa Gorga and Teresa Giudice, Summer House stars Amanda Batula and Lindsay Hubbard, who recently stepped out with complementing neon versions, Molly Sims, Brooke Burke and more.

iDecoz iPhone cases generally retail for $19.99, and they're available in a wide variety of designs, colors and sizes, depending on the model of iPhone that you have.

Shop: iDECOZ BLACK MARBLE iPHONE CASE, $19.99

The Black Marble Square Phone Case, pictured above, is the one that Kylie Jenner was spotted taking selfies with on her Instagram last summer. Meanwhile, Olivia Culpo has shown off her love for iDecoz's Phone Mirror, which costs just $9.99 and is the perfect tool to make sure your makeup is on-point and that you don't have any food stuck in your teeth before taking your latest 'gram-worthy selfie.

Shop: iDECOZ SQUARE PHONE MIRROR, $9.99