If there’s one trend we’ve noticed in Hollywood over the years, it’s the fact that tons of female celebrities’ butts have practically tripled in size. While some chalk it up to things like weight gain and getting older, others have actually owned up to getting butt implants.

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A lot of people suspected that Kim Kardashian got implants, but she opened up about what really started the rumors. It turns out her butt suffered negative side-effects after she got injections to treat her psoriasis.

“I went to go get a cortisone shot in my butt… I go in there and [the doctor is] like, ‘There’s a one in a billion chance that you will get a huge indent in your butt.’ Of course. I get a huge indent on my butt,” she said.

kim butt dent

Credit: Splash

“There is a picture of me in Miami wearing an electric blue dress, and another picture of me walking down Robertson,” she continued. “You see the indent. And I think that’s when the rumors [about me getting butt implants] started.”

Well, talk about embarrassing! But these days, Kim’s butt is actually looking rounder than ever — and we can’t help but wonder if she’s still getting some extra help!

Click through the gallery to see which stars’ butts have practically tripled in size over time.