A lot of the criticism kicked off in response to a photo she posted on Instagram in May last year - and it has continued after the latest episodes of the reality show have aired.
Another one read: "Remember you will never be criticized by someone who is doing more than you. "You will only be criticized by someone who is doing less than you."
And she thanked a TikTok user who defended her, Buzzfeed News reports.
TikTok user @mackincasey called out the use of photos comparing how Khloe looked over a decade ago.