Kim Kardashian says she's tired of the media and their criticisms of her body. The reality TV star became famous for her figure, and routinely makes headlines for her sense of fashion and weight ups and downs.

During her pregnancy last year, for example, tabloids had a field day, often misreporting her weight gain, and even going as far as to say the usually petite celebrity had hit 200 pounds. She fought back by losing the baby weight within months of giving birth to daughter North West, but the comments are still coming. Now they are primarily regarding Kardashian’s famous derriere, which seems to have reached unbelievable proportions in recent months.

She decided to once again go on Twitter to defend herself, writing Wednesday, “I'm seeing all these nonsense tabloids claiming I have butt implants-injections. Get a life! Using pics of me 15lbs 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) & your body totally changes! Making fun of me pregnant & 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 & I'm proud of that! Don't give young girls a complex!”

Kardashian has long been rumored to have gotten butt implants, and in 2011, she defended her famous derriere by getting a butt X-Ray on her reality show, to prove that it has not been enhanced with injections.

"My sisters have dared me to get a butt X-ray," Kim told her doctor, as sisters Kourtney and Khloe looked on. "I really just want to get [it], so I can show the whole world." It turns out her butt was real, but that was nearly three years ago.

Today, butt implants seem to be the new version of getting a nose job, so it is plausible. Many women, not only those in urban music videos, seem to be opting for the popular plastic surgery procedure. Additionally, the curvy star has been seen hanging out a lot lately with Blac Chyna, a former stripper who is now married to rapper Tyga. Blac Chyna is known for her surgically enhanced derriere, and other body parts.

Kardashian has denied rumors that she has had plastic surgery as recently as last November, but her most recent pictures may tell a different story.

"I am very frustrated today seeing reports that I got surgery to lose my baby weight! This is FALSE," she wrote on Twitter at the time.

"I worked so hard to train myself to eat right & healthy, I worked out so hard & this was such a challenge for me but I did it!!! I'm so proud of my accomplishment & NO ONE will take this away from me with fake reports!"