Rob Kardashian Looks Noticeably Thinner on Trip to Jamaica With Blac Chyna -- See the Pics!

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Rob Kardashian is looking good!
The 28-year-old reality star -- who's been hard at work at the gym and making healthier changes to his diet -- appeared noticeably slimmer as he made his way through Los Angeles International Airport with his girlfriend, Blac Chyna, late Saturday night.
Rocking a black Adidas hoodie, matching drawstring pants and a Los Angeles Dodgers baseball cap, weight loss was apparent as he hopped a red-eye to Montego Bay, Jamaica, with the 27-year-old model.
Photo: AKM-GSI
On Sunday, the two were spotted arriving along with a friend at Jamaica's Sangster International Airport. There didn't appear to be any on-flight clothing changes -- a frequent occurrence amongst the Kardashian clan.
Photo: Splash News
Rob and Chyna didn't display any overt PDA, but an eyewitness tells ET that they were cheery and chatty while stepping into their limousine, which took them to a five-star beachfront resort on the island's northern coast. At one point, Chyna even pulled out her phone to snap a few selfies with her beau.
A few hours later, the duo attended the Caribbean Spring Break festival Brit Jam 2016, where Chyna was the guest of honor.

As ET previously reported, Chyna has played a significant role in Rob's "health and fitness journey," as Rob's sister, Khloe Kardashian, likes to call it.
On Friday, Rob took to Instagram to share a photo of a healthy date night meal Chyna had cooked for him, which consisted of Cornish hen, carrots and asparagus. He simply captioned the now-deleted snap with a chicken emoji. Chyna, on the other hand, shared the step-by-step secrets to her creation on Snapchat.

To hear more on Rob's health and fitness kick, watch the video below.