"I know I'm FAT"- Rob Kardashian slams haters over weight gain

As Kim and Kanye's wedding approaches, Rob Kardashian was spotted at the Paris Airport and became the butt of cruel jokes regarding his weight .Many took to twitter taunting and insulting him for letting himself go despite all the money they have to hire the best trainers in the world....

More below and Khloe defended him...***Rob started his weight gain after Rita Ora broke his heart in 2012...

Khloe also defended him...