Kim Kardashian wants the world to know her butt is real and it is spectacular. 

Photo: Getty Images

The reality star blasted her critics on Twitter, writing, "I'm seeing all these nonsense tabloids claiming I have butt implants-injections. Get a life! Using pics of me 15 pounds skinnier (before I had my baby) comparing to me now! I still have weight to lose. Anyone who has had a baby knows how hard it is to lose weight (especially the last bit of weight) and your body totally changes!"

Kim, who's been hearing the rumors for years, even got an X-ray of her backside in 2011 to prove she's a natural gal. She added, "Making fun of me pregnant and making fun of me trying to lose weight now -- shame on you. I'm not perfect, but I will never conform to your skinny standards, sorry! Not me. And BTW, I've lost a lot so far and I'm proud of that! Don't give young girls a complex!"

I dunno y'all...looks pretty real to me. I'm just saying!