Khloe Kardashian and Scott Disick give update on Rob Kardashian's health (Exclusive)

Khloe Kardashian and Scott Disick are always rooting for Rob Kardashian.

ET's Lauren Zima recently spoke with both 35-year-old Khloe and 36-year-old Scott in support of their E! shows -- the new season of Khloe's Revenge Body begins on July 7 and the series premiere of Disick's Flip It Like Disick debuts on Aug. 4 -- and they gave an update on 32-year-old Rob.

Rob has struggled with his weight for the last couple of years, but he recently shared a picture from the gym, exciting his fans for a possible comeback after retreating from the public eye.

"Rob is doing great, he really is," Khloe, who's appeared to be the closest Kardashian sister to Rob over the years, says. "You know, he's been working out ..."

Scott notes that Rob has actually been exercising at Kim Kardashian West's place.

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Rob Kardashian and Khloe Kardashian (Kevork Djansezian/ Getty Images)
ORANGE, CA - JUNE 07: Lamar Odom and Khloe Kardashian make a personal appearance for 'Unbreakable Bond' at Perfumania on June 7, 2012 in Orange, California. (Photo by Jason LaVeris/FilmMagic)
NEW YORK, NY - APRIL 23: Lamar Odom, Khloe Kardashian and Rob Kardashian attend the grand opening of RYU on April 23, 2012 in New York City. (Photo by Jim Spellman/WireImage)
NEW YORK, NY - APRIL 23: Lamar Odom, Khloe Kardashian and Rob Kardashian attend the grand opening of RYU on April 23, 2012 in New York City. (Photo by Jim Spellman/WireImage)
NEW YORK, NY - APRIL 23: Kourtney Kardashian, Khloe Kardashian, Lamar Odom and Rob Kardashian are seen on April 23, 2012 in New York City. (Photo by Alo Ceballos/FilmMagic)
LOS ANGELES, CA - APRIL 05: Khloe Kardashian (R) and Rob Kardashian visit Extra at The Grove on April 5, 2011 in Los Angeles, California. (Photo by Noel Vasquez/Getty Images for Extra)
LOS ANGELES, CA - APRIL 05: Khloe Kardashian (R) and Rob Kardashian visit Extra at The Grove on April 5, 2011 in Los Angeles, California. (Photo by Noel Vasquez/Getty Images for Extra)
LOS ANGELES, CA - APRIL 05: Khloe Kardashian (R) and Rob Kardashian visit Extra at The Grove on April 5, 2011 in Los Angeles, California. (Photo by Noel Vasquez/Getty Images for Extra)
Kim Kardashian, Floyd Mayweather, Khloe Kardashian and Rob Kardashian pose at Jet at The Mirage Hotel and Casino on March 18, 2011 in Las Vegas, Nevada.
LAS VEGAS, NV - MARCH 18: (L-R) Television personality Khloe Kardashian, Amercian boxer Floyd Mayweather Jr. and Rob Kardashian arrive to celebrate Rob's 24th birthday at the Jet Nightclub at The Mirage Hotel & Casino on March 18, 2011 in Las Vegas, Nevada. (Photo by Steven Lawton/FilmMagic)
(L-R) Rob Kardashian, Kim Dsrdashian and Khloe Kardashian as NEW VEGAS Celebrates Kim Kardashian's 30th Birthday At TAO At The Venetian on October 15, 2010 in Las Vegas, Nevada.
LOS ANGELES, CA - FEBRUARY 18: (L-R) Khloe Kardashian Odom, Rob Kardashian and Lamar Odom celebrate at the 2011 BBVA NBA All-Star Celebrity Game at the Los Angeles Convention Center on February 18, 2011 in Los Angeles, California. NOTE TO USER: User expressly acknowledges and agrees that, by downloading and or using this photograph, User is consenting to the terms and conditions of the Getty Images License Agreement. (Photo by Noel Vasquez/Getty Images)
LOS ANGELES, CA - MARCH 21: Rob Kardashian is seen on March 21, 2013 in Los Angeles, California. (Photo by JB Lacroix/WireImage)
LAS VEGAS, NV - MAY 25: Rob Kardashian during his new Arthur George by Rob Kardashian sock collection unveiling at Neiman Marcus on May 25, 2013 in Las Vegas, Nevada. (Photo by Denise Truscello/WireImage)
LAS VEGAS, NV - MAY 25: Rob Kardashian and Kris Jenner during the new Arthur George by Rob Kardashian sock collection unveiling at Neiman Marcus on May 25, 2013 in Las Vegas, Nevada. (Photo by Denise Truscello/WireImage)
LAS VEGAS, NV - MAY 25: Rob Kardashian poses for photos with fans during his new Arthur George by Rob Kardashian sock collection unveiling at Neiman Marcus on May 25, 2013 in Las Vegas, Nevada. (Photo by Denise Truscello/WireImage)
LAS VEGAS, NV - MARCH 15: Rob Kardashian and Kris Jenner arrive at Rob Kardashian's 26th birthday celebration at 1 OAK Nightclub at The Mirage Hotel & Casino on March 15, 2013 in Las Vegas, Nevada. (Photo by Denise Truscello/WireImage)
MIAMI BEACH, FL - DECEMBER 10: Rob Kardashian presents his Arthur George Socks Collection at Neiman Marcus Bal Harbour at Neiman Marcus on December 10, 2012 in Miami Beach, Florida. (Photo by Alexander Tamargo/Getty Images)
LAS VEGAS, NV - MARCH 16: Rob Kardashian and Kris Jenner during Rob Kardashian's Arthur George Street sock line launch at Kardashian Khaos at The Mirage Hotel & Casino on March 16, 2013 in Las Vegas, Nevada. (Photo by Denise Truscello/WireImage)
LAS VEGAS, NV - MARCH 15: (EXCLUSIVE COVERAGE) Rob Kardashian (R) celebrates his 26th birthday with his mom Kris Jenner (R) at 1 OAK Nightclub at The Mirage Hotel & Casino on March 15, 2013 in Las Vegas, Nevada. (Photo by Denise Truscello/WireImage)
MIAMI BEACH, FL - DECEMBER 10: Rob Kardashian presents his Arthur George Socks Collection at Neiman Marcus Bal Harbour at Neiman Marcus on December 10, 2012 in Miami Beach, Florida. (Photo by Alexander Tamargo/Getty Images)
ATLANTIC CITY, NJ - SEPTEMBER 29: Brody Jenner (L) and Rob Kardashian host The Pool After Dark at Harrah's Resort on Saturday September 29, 2012 in Atlantic City, New Jersey. (Photo by Tom Briglia/FilmMagic)
PARIS, FRANCE - SEPTEMBER 19: Kris Jenner and Rob Kardashian are seen strolling on September 19, 2012 in Paris, France. (Photo by Marc Piasecki/FilmMagic)
MANILA, PHILIPPINES - OCTOBER 27: Rob Kardashian showcases designs by Human on the runway on day five of Philippine Fashion Week Spring/Summer 2013 on October 27, 2012 in Manila, Philippines. (Photo by Jeoffrey Maitem/Getty Images)
LOS ANGELES, CA - MARCH 08: Rob Kardashian is seen at LAX on March 08, 2016 in Los Angeles, California. (Photo by GVK/Bauer-Griffin/GC Images)
LOS ANGELES, CA - MARCH 14: Rob Kardashian and Blac Chyna are seen at LAX on March 14, 2016 in Los Angeles, California. (Photo by GVK/Bauer-Griffin/GC Images)
LOS ANGELES, CA - MARCH 25: Rob Kardashian and Blac Chyna are seen at LAX on March 25, 2016 in Los Angeles, California. (Photo by GVK/Bauer-Griffin/GC Images)
ATLANTA, GA - MARCH 27: Blac Chyna and Rob Kardashian at Onyx Nightclub on March 27, 2016 in Atlanta, Georgia. (Photo by Prince Williams/WireImage)
ATLANTA, GA - MARCH 27: Blac Chyna and Rob Kardashian at Onyx Nightclub on March 27, 2016 in Atlanta, Georgia. (Photo by Prince Williams/WireImage)
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"He goes to Kim's, he's worked out for like the past five days or so and he's kicking a** and I just want Rob to do what's best for him and what makes him happy," Khloe says. "And if that makes him happy, then we will all support him."

Khloe also got candid about her own post-baby body, given that she started filming the new season of Revenge Body not too long after giving birth to her 1-year-old daughter, True, last April.

"I think the first episode ... there's a little bit of kind of following my journey in that, but it's funny because seeing at the beginning of all the episodes I have my sit-down with [the show's subjects], and I'm a little bigger because it was closest to when I just had True, and at the end their reveals, you kind of see my reveals too, even though it's not about me, but I'm like, 'Oh my god, I look so much skinnier,'" she says.

But Khloe says that she was pleasantly surprised that she felt good about her body after giving birth, despite the extra weight.

"That's interesting to see, but I felt really right after True, too," she shares. "I was really proud of myself, how I thought I would be a little more insecure because I worked so hard to get my body before I got pregnant, and I felt really good. I think after you have a baby, you just feel empowered and just the fact that you're now able to juggle a child, working out, and work, I think that's an accomplishment. So, I felt really good that I found my groove and that I was trying."

Meanwhile, earlier this month, a source told ET that the entire Kardashian-Jenner family is supporting Rob in his journey back to a healthy lifestyle.

"For years, the sisters and [his mom] Kris have wanted Rob to find comfort in his body again, but quickly realized the more they pushed onto him, the more he took a step back," the source said. "The family has allowed Rob time to process his own emotions regarding his health and wanting to put the best foot forward for [his daughter] Dream, and they're extremely happy he's decided to get back into the gym and eating healthier."

"The sisters and Kris have offered support as well as anything he needs," the source added. "At the end of the day, everyone wants healthy and happy Rob back."

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Start each day with a grateful happy heart. Count your blessings over your burdens. Smile, you got this! Lord, thank You.
“Step up in this bitch like”
Im addicted to my short hair! I asked Andrew to cut a few more inches off ✂️ i love this length!! I love my glam!! 💋 10 months after giving birth and I’m finally feeling like I’m getting my mojo back! Woooo wooo
The New New on GoodAmerican.com
Feeling strong and healthy after baby in my @goodamerican coral sports bra and leggings! 💪 New activewear in sizes XS-4XL just dropped on goodamerican.com #GoodSquad #OurBodyOurJourney
☾ Interviews KUWTK ☾
☾ Mommy and Baby True ☾
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Only a few more days until the KoKo Kollection launches 6.14
I am SO excited for my collab with Kylie @kyliecosmetics!! LAUNCH of round THREE of KoKo Kollection ✨June 14th ✨
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I never want to leave
I love a good hair flip photo
I am my own Super Hero
In honor of KUWTK tonight! Take me back to Bali!! (This photo was taken in October)
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✨✨✨✨When the legendary Ms Ross invites you to her birthday party, you show UP as best you can. What a beautiful inspiration!! Thank you for having us ✨✨✨✨
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Marilyn Monroe Vibes ✨ “we are all of us stars, and we deserve to twinkle.” -MM
🌙Las Vegas🌙 Thank you @laquan_smith for my fabulous outfit! Styled By: @janellermiller Hair: @andrewfitzsimons Makeup: @styledbyhrush All photo rights: @splashnews
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