Pictures of Robert Kardashian surfaced Monday as he jetted off to Europe for his sister's wedding.
The reality star took to Twitter today to respond to some of the comments bloggers and readers had about his appearance.
"so i found out i was trending for being fat... thank you all it really made my day :)" he posted.
He continued, "and to the blogs saying i went to fat camp or rehab LOL then why am i still fat u fools?? y'all must have run out of real news. "first, i don't believe in rehab or therapy or anything of that sort and second I'm a grown man and will work on myself when i choose."
The former "Dancing with the Stars" contestant added that he doesn't need people making comments about his weight.
Read: Rob Kardashian Posts Cryptic Tweet on 'How Much It Hurts'
"I'm aware that I'm fat that def aint a surprise to me lol and my only therapy will be in the gym anyways had to say somethingggggggggg," he added.
Kardashian's sister Khloe backed up Robert tweeting: "What shallow souls some of you are. Its sickening to critique anyone off of their appearance. Grow up!"
She added, "You should be ashamed of your self. Your words are cutting deeper then you know and are possible leaving lifetime scars!"
Related: Khloe Kardashian Tweets 'Still Hurts,' Even After Seeing New Man
This comes more than a month after the "Keeping Up with the Kardashians" star, 27, posted a cryptic tweet in early April, saying: "no one will ever understand how much it hurts."
Kardashian has deleted that tweet among others and only has seven tweets up on his page at the moment.