Rob Kardashian is sweating for the wedding – and it's working!

By Lindsay Kimble
Updated May 26, 2016 08:25 AM
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Credit: Splash News

Rob Kardashian is sweating for the wedding – and it’s working!

The reality star reflected on his weight loss journey on Instagram, Wednesday, posting a side-by-side comparison of himself in June 2015 and today.

“LOL,” he wrote alongside laughing emojis. “Still got a lot of work to do and weight to lose but glad I’m getting better.”

Kardashian has been getting fit with the help of fiancée Blac Chyna, who has been documenting the healthy meals she makes the star on social media.

RELATED VIDEO: Is Blac Chyna’s Workout Plan Getting Rob Kardashian Into Shape?

The 29-year-old had gained 100 lbs. from 2014 to 2015, and was later diagnosed with diabetes.

Leaving his days as a recluse in a past, the dad-to-be even went shirtless during a March barbecue with Chyna. Kardashian has called Chyna his “motivation.”