Lizo's Halloween costume was inspired by a 'South Park' episode that featured her and the weight loss drug Ozempic. CNN

Lizzo took one of her rather silly references in a recent “South Park” episode and elevated it to a hilarious Halloween costume.

The Grammy-winning singer took to her verified Instagram on Saturday to share a series of new posts showing off her outfit, which includes a fake medicine box that bears her name and some fine-print warnings that read “FDA approved,” “diet suppressant” and “single patient use only.” for use.”

Instead of a belt, Lizzo wore a measuring tape that cinched the boxy dress at her waist.

In her first photo, Lizzo posed in an old-school-style print ad that asked, “Need self-love? Try Lizzo! Lose guilt, gain confidence.” Her caption for the post read, “Ok Halloween… you can start now.”

Later posts included a video snippet of Lizzo dancing in her costume in front of a cutout of the “South Park” character Cartman as audio from the show's Ozzy Epic episode.

The May episode, titled “South Park: The End of Obesity,” satirized the growing popularity of weight loss drugs such as Ozempic and Mounjaro, and included a spoof ad for a fake product called “Lizo.”

In a scene from the show, “South Park” characters Sharon and Sheila discuss the “amazing” new medication Sharon is taking to control her weight, but since her insurance only covers weight-loss drugs for diabetics, Sharon reveals, “Our There's a whole new obesity drug for people who can't afford Ozempic and Mounjaro.”

The scene then transitions to a fake commercial advertising “Lizo,” a drug that “makes you feel better about your weight and costs 90% less than Ozempic.”

“In case studies, 70% of Lizzo patients no longer care how much they weigh,” says the fake commercial's narrator.

“Lizzo helps you eat whatever you want and keep physical activity to a minimum… Ask about the ability to not give AF**k with Lizzo,” the ad adds, along with a series of side effects.

In her live reaction video on Instagram and TikTok at the time, Lizzo said, “It's crazy, I'm like, damn, I'm really good.”

“I really showed the world how to love yourself and not give a f**k, where these people in Colorado know who I am, and put it in their cartoon that's been running for almost 25 years,” added “South Park” creator Trey Parker. And referring to Matt Stone, who met at the University of Colorado Boulder and set the show in the state.

Lizzo has long advocated for body positivity and has spoken out about the body shaming she faces on social media.

CNN's Lisa Respers France contributed to this report.