VIDEO : Calvin Klein Addresses Alleged Kourtney Kardashian Photoshop

Kardashian sisters took to Instagram this week to share Calvin Klein campaign
Kim shared one snap to her account, and fans quickly complained about editing
Followers accused the pictures of being 'badly photoshopped' in comments
Many noted Kourtney's right arm appeared bizarrely smaller than her left
A spokesperson for Calvin Klein explained that it was merely a trick of the light
In the high-res version of the image, Kourtney's arm is much more visible
When the picture was posted in low-res online, it caused her arm to look smaller