Rob Kardashian celebrates his weight loss: 'Glad I'm getting better'

Rob Kardashian Proudly Flaunts His Weight Loss in Impressive Before and After Pic

Rob Kardashian looks like a new man!

The 29-year-old Keeping Up With the Kardashians star celebrated the positive results of his new, healthier lifestyle with a side-by-side pic showing just how much weight he's lost in a little less than a year.

"Still got a lot of work to do and weight to lose but glad I'm getting better," the reality star captioned the pic, which he posted to Instagram on Wednesday.

WATCH: Rob Kardashian Goes Shirtless on a Date With Blac Chyna

Rocking the same general look in both pics -- a ball cap, a black t-shirt, baggy pants -- Kardashian's body transformation really is striking.

The heavier picture of Kardashian was taken back in July 2015 when he and some of his friends were spotting heading out of the house for a fast food run to In-N-Out. The reality star was diagnosed with diabetes later that year.

WATCH: Blac Chyna Fires Back at Boyfriend Rob Kardashian's Haters

Kardashian has credited his fiancée, Blac Chyna, for helping him get in shape and start on a path toward physical fitness, which should help when the couple welcome their upcoming bundle of joy later this year.

Back in March, Chyna gave fans a look at what Kardashian's healthy date night meals look like when they dine together -- including roasted Cornish hens over steamed carrots as well as asparagus with olive oil and garlic. Check out the video below to see more.

Rob Kardashian Jokes About Having a Son as Blac Chyna Shows off Her Growing Baby Bump

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