Kourtney's son Reign Disickhas made his feeling very clear about the paparazzi in his life.
In a video captured by a fan, the four-year-old smiled and held up his middle finger at the cameras as he was carried by his mother Kourtney to a waiting car.
Reaction to the viral clip has been mixed, with some fans finding the unexpected gesture hilarious, while others question Kourtney's parenting methods.
"Kourtney's kids are off the hook, without discipline!! Reign flipping his middle finger off is NOT CUTE!!" one Instagram commenter wrote.
"Reign is savage HAHAHAHAH I love him," another said.