Rob Kardashian is looking larger than ever these days, though he has been on a mission to lose weight since earlier this year. The 26-year-old reality TV figure was surprisingly portly when he made a stop in Beverly Hills, Calif., on Tuesday.

As he exited his car in black sweatpants and a black top to head to a lunch meeting, the color did nothing to slim down his large frame. As he turned to the side, it was evident that he had a larger belly than in the past.

“I've really just kind of changed my whole lifestyle with taking supplements and working out twice a day. I really needed a change. There's just a lot going on in my family, a lot of stress and negative attention. So, this is just part of that positive reset button. All I'm just trying to focus on is my health and just getting back to that happy point," he recently told "Entertainment Tonight." A lot of that stress must be coming from sister Khloe Kardashian’s tumultuous relationship with husband Lamar Odom, who admitted to cheating on her and using illicit drugs earlier this year.

Kardashian has been on a mission to lose weight after getting chubby once his relationship with singer Rita Ora went south.

At his birthday party March 16 in Las Vegas, Kardashian told Us Weekly that he was slowly losing the weight. “I lost five to seven pounds last week. I’m trying to lose 40. It’s a little journey, but it’s good.”

He frequently exercised with rapper the Game and was photographed by the paparazzi on hikes.

“We’ve started running and doing our own little workout; it’s good,” Kardashian said. “I’ll exercise with my own trainer at 8 in the morning before all that.”

But by the looks of it, it seems he has been slacking off on the workouts. “I’m like 240 pounds right now, probably 235 pounds,” he said at the time.

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