Though intimate details of billionaire life could scarcely be imagined by the rest of us, Kylie Jenner's Instagram gives fans a periodic view into the extravagant lifestyle. A regular day might consist of a quick trip on her personalized private jet or a cover shoot for WWD. Even the most casual outfits—like sweatpants and tank tops—are accessorized with five-figure Cartier watches and extremely-rare Hermès Birkin bags.
On Sept. 21, the Kylie Cosmetics mogul gave her followers yet another peak into the behind-the-scenes world of a beauty billionaire. In doing so, she debuted another addition to her expansive Hermès Birkin collection—perhaps the rarest of them all.
