Rob Kardashian's battle with fat seems to be unsuccessful as the sock mogul and momager Kris Jenner arrives at the LAX on their way to France for Kim Kardashian's wedding.

Rob Kardashian's weight gain was obvious as he wore an all black outfit and Nike trainers. MailOnline said it's the first time the youngest Kardashian was seen in public since January this year when various reports placed him at either a rehab facility or a gym.

Momager was smiling for the cameras as she was dressed in her favorite all-black attire as they wade through the terminal. The website said the Rob Kardashian's battle with fat seemed to be weighing him down as he tried hard not to be conspicuous.

Rob Kardashian's battle with fat has reportedly plunged him into depression that he was reportedly thinking of skipping the wedding altogether.

The Star earlier reported that Kris Jenner has been very harsh of her criticisms over Rob Kardashian's weight gain.

"She called him a fat slob and said he's losing out on business opportunities because no one wants someone as huge as him representing their products," the source told Star.

Kris Jenner also suggested that the sock entrepreneur should enroll himself on a "fat camp" because Rob Kardashian's weight gain which caused an embarrassment to the family. The news website added that the other Kardashian sisters, Kim, Khloe and Kourtney were supposedly behind their mother since they are also "embarrassed to be photographed with him."

"Living alone isolated him. Rob needs to be around people who love him," a source told Us Weekly.

Among all the sisters, Khloe Kardashian was the one who remains supportive of Rob Kardashian battle with fat, while Kim Kardashian and Kourtney were very critical and momager Kris Jenner was very harsh even to the point of telling him that he has no say in family matters until he's earning his keep, according to Star.

"Rob has never been in such bad shape - emotionally or physically. Rob was drinking a lot of Sizzurp, and that's one of the reasons he gained so much weight," the source told Star, citing the high sugar content of the syrup.

Because of Rob Kardashian's weight gain, the "Keeping Up with the Kardashians" actor is "well past the point of desperation and now is just flatout miserable."

The Star earlier reported that Kris Jenner has been very harsh of her criticisms over Rob Kardashian's