Rob Kardashian is looking a little lighter these days and he has more than just a healthy diet to thank.

The lone brother and son of the Kardashian-Jenner clan hasput in the hard work to start slimming down but he's also had the support of his family, especially Khlo Kardashian.

"His mom and sisters are all supportive butKhlois his number one cheerleader,"an insider dished toHollywoodLife. "Shes always pushing him and checking on him and is just so proud of him."

"They spend a lot of time together with their kids [Khloes daughterTrue Thompson, 2, and Robs daughterDream Kardashian, 3] and thats a huge motivation for him, just being the best dad he can be,"the source added.

Considering that the Good American founder has ashow, "Revenge Body with KhloKardashian," which is dedicated to helping people get in the best shape of their lives, it makes sense that she's on this journey along with Rob. In addition, she's gone through the struggle of losing weight herself.

On June 28,Rob stunned fans when he made some rare posts of himself mingling while attendingKhlo's blowout birthday celebration."Looking good Rob" and "So handsome" comments flooded the comments section of the posts as fans took notice that the 33-year-old had shed some weight.

"Rob got serious about his health last year and cut out all the junk food and really started making healthy choices with his diet,"thesource explained. "His weight loss didnt happen overnight, its taken time for him to lose the weight. Its been close to a year of staying committed to his goal."

"He has his cheat days here and there, but overall hes eating a very clean low sugar diet and it has really paid off,"they shared.

Rob's success hasn't just been physical, though. Another insider close to the Arthur George sock designer andcreator revealed the toll it has had on his mental and emotional well-being too.

"Now that everyone has seen his transformation online, he is very happy and his family is so proud of his weight loss," the unidentified source said. "Rob has really gained a lot more confidence having lost so much weight and getting healthier by the day."

Blac Chynas ex Pilot Jones accused her of using him to boost ratings of show with Rob Kardashian. Pictured: Rob and Chyna on her Birthday Celebration And Unveiling Of Her Chymoji Emoji Collection at the Hard Rock Cafe on May 10, 2016. Photo: Getty Images/Greg Doherty

Excerpt from:
Rob Kardashian Weight Loss Secret And Motivation Revealed - International Business Times