Of course right away, everyone assumed that she'd gotten breast implants, which she denied and even showed everyone on Snapchat that she was all natural and that her braless look got a little lift from some strategically placed tape.
"Whoever thinks I have breast implants," she said, pulling back her shirt to expose the secret. "There's a whole lotta tape in here."
And that's not all she's doing. She also recently revealed that she's been using Pure Leef's Breast Plumping Lotion AND there's one other thing...
In a video she uploaded to her new self-titled app, Ky revealed that she uses the Victoria's Secret Bombshell Bra, which advertises that it will add two cup sizes.
"I don't share this with a lot of people, but everyone thinks I've gotten breast augmentation recently, but I haven't," she explains. "I just use the Bombshell by Victoria's Secret. It's life-changing. I've gotten all my sisters on it and all my friends."
The bras, which range from $49-68 are certainly not cheap, but they're a heck of a lot cheaper than breast implants!
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Gallery | Kylie Jenner's Ever-Evolving Style