Kourtney Kardashian is shutting down pregnancy rumours after one Instagram user thought it appropriate to comment on the reality star's body.

In a mirror selfie shared on Instagram, Kourtney wears a Skims bralette and draping red dress with her midriff exposed.

"SHES PREGNANT [sic]," one user assumed.

But though the Keeping Up With the Kardashians star is happy in love with boyfriend Travis Barker, even having his daughter, Alabama calling her her "stepmom", Kourtney made it clear she won't be having anyone comment on that aspect of her life – or allow them to body shame her.