As you probably already know, lots of celebrities endorse products on Instagram, and some of them are very well compensated for it.

Curiously, products that promise to tone your midsection are among the most commonly shilled, and dozens of reality stars cash in by pretending they owe their physiques to "flat-tummy teas" and, of course, waist-trainers:

Posted in: Kailyn Lowry

Jenelle Evans may not be winning any Mother of the Year Awards in the near future (Hell, she may not even be winning any custody battles!), but when it comes to trolling celebs on social media, it's important to adhere to strict Mafia rules and leave kids and civilians out of it.

Unfortunately, some of Jenelle's followers violated the unwritten code of comments section conduct when she posted this photo of her 1-year-old son Kaiser on Instagram yesterday:

Posted in: Instagram