And while no one batted an eyelid at the fact she was in the bath with her clothes on, trolls were quick to accuse her of fake reading.
"Never read a book," one Instagram user posted.
To which Kourtney politely set the record straight.
"Graduated college," she said.
Another user piped up, in ALL CAPS no less.
"YOU KNOW DAMN WELL YOU AIN’T READING NO BOOK," they accused the KUWTK star.
But she just calmly replied: "Jane Austen's Emma."
Although the shot might have been staged, it seems the mum-of-three won't take any online criticism lying down.
The star faced backlash earlier this week for her parenting methods, after a debate surrounding her children, Penelope, Mason and Reign, who she shares with her ex Scott Disick went to air on KUWTK.
Kourt was accused of being too lenient with her children, and not disciplining them correctly.
"Not trying to be the parent shamer or a judgy person but you need to get your kids in check now & take it serious now before they older because it only gets worse," one person Tweeted at the time.
The Poosh founder later hit back, writing: "And in my opinion beating children is not the way to 'get your kids in check'. When children are hurting or frustrated, the answer is not to physically hurt them."
