Rob Kardashian makes small, rare appearance as family celebrates Christmas morning

Rob Kardashian is very much a part of the Kardashian family's Christmas festivities, even if we don't always see him. 

The former Keeping Up With the Kardashians star made a slight, rare appearance in a video Khloe Kardashian shared to her Instagram Story on Tuesday morning, as she and the rest of her siblings headed downstairs with their kids to open gifts. 

Khloe entered a room filled with presents behind Kim Kardashian's husband, Kanye West, as well as Kendall Jenner and Kourtney Kardashian and her kids, Mason, Penelope and Reign. She then panned the camera over in her brother's direction, as he held his 2-year-old daughter, Dream. 

"I'm just going to get little Dream. Rob, I'm just going to get little Dream. Merry Christmas, Dreamy Dream!" Khloe said, showcasing her niece as Rob revealed the side of his face while leaning in to give his daughter a kiss on the cheek. 

"Say Merry Christmas! You can say Merry Christmas!" Rob's voice can be heard in the background. 

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Aww have a great day everyone!

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this is so cute @ponycycle

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Northie and True 💕

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Rob's rare appearance comes just days after Khloe defended her brother's privacy. He took a step away from the spotlight, including the family's reality show, last year. 

"My brother is my entire world! He is definitely a king," Khloe replied to a fan criticizing her for not mentioning her brother in an Instagram post. "It is a shame that you can't [sic] respect us for respecting his privacy. You should not comment if you truly aren't informed on our family."

29 PHOTOS
Rob Kardashian
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Rob Kardashian
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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A source told ET earlier this month that Rob has "turned his life around" after being told his weight gain could eventually threaten his life. The source said that he's been working with a trainer and feels better than ever. 

“Rob has struggled nonstop for years with his weight and he finally seems to have turned his life around,” the source shared of Rob, who has lost 30 to 50 pounds. “Lately Rob’s friends have been talking about how proud they are of him because he made his health a priority.”

“He was warned that if he didn’t lose weight, it could eventually become life or death, but since then he lost pounds and feels so much better,” the source continued. “He works out regularly with a trainer and that has made a difference in his shape. He really is beginning to look like the old Rob.”

22 PHOTOS
Rob Kardashian and Blac Chyna together
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Rob Kardashian and Blac Chyna together
NEW YORK, NY - APRIL 14: Rob Kardashian and Blac Chyna are seen on April 14, 2016 in New York City. (Photo by XPX/Star Max/GC Images)
NEW YORK, NY - APRIL 14: Rob Kardashian and Blac Chyna are seen on April 14, 2016 in New York City. (Photo by XPX/Star Max/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: Rob Kardashian and Blac Chyna 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)
ATLANTA, GA - MARCH 27: Blac Chyna and Rob Kardashian at Onyx Nightclub on March 27, 2016 in Atlanta, Georgia. (Photo by Prince Williams/WireImage)
LOS ANGELES, CA - APRIL 18: Rob Kardashian and Blac Chyna are seen at LAX on April 18, 2016 in Los Angeles, California. (Photo by GVK/Bauer-Griffin/GC Images)
LOS ANGELES, CA - APRIL 26: Kim Kardashian, Rob Kardashian, and Blac Chyna are seen on April 26, 2016 in Los Angeles, California. (Photo by Bauer-Griffin/GC Images)
LOS ANGELES, CA - APRIL 26: Kim Kardashian, Rob Kardashian, and Blac Chyna are seen on April 26, 2016 in Los Angeles, California. (Photo by Bauer-Griffin/GC Images)
LOS ANGELES, CA - MARCH 14: Rob Kardashian and Blac Chyna are seen at LAX Airport in Los Angeles, Ca on March 14, 2016 in Los Angeles, California. (Photo by Light Brigade/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: Rob Kardashian and Blac Chyna at Onyx Nightclub on March 27, 2016 in Atlanta, Georgia. (Photo by Prince Williams/WireImage)
LOS ANGELES, CA - MARCH 14: Rob Kardashian and Blac Chyna is seen at LAX on March 14, 2016 in Los Angeles, California. (Photo by GVK/Bauer-Griffin/GC Images)
ROB & CHYNA -- Season:1 -- Pictured: (l-r) Rob Kardashian, Blac Chyna -- (Photo by: Tommy Garcia/E! Entertainment/NBCU Photo Bank via Getty Images)
LAS VEGAS, NV - MAY 28: Television personality Rob Kardashian (L) and model Blac Chyna attend the Sky Beach Club at the Tropicana Las Vegas on May 28, 2016 in Las Vegas, Nevada. (Photo by Gabe Ginsberg/Getty Images)
LAS VEGAS, NV - MAY 28: Model Blac Chyna (L) and television personality Rob Kardashian attend the Sky Beach Club at the Tropicana Las Vegas on May 28, 2016 in Las Vegas, Nevada. (Photo by Gabe Ginsberg/Getty Images)
LAS VEGAS, NV - MAY 28: Television personality Rob Kardashian (L) and model Blac Chyna attend the Sky Beach Club at the Tropicana Las Vegas on May 28, 2016 in Las Vegas, Nevada. (Photo by Gabe Ginsberg/Getty Images)
HOLLYWOOD, CA - MAY 10: Blac Chyna and Rob Kardashian attend Blac Chyna's birthday celebration and unveiling of her 'Chymoji' Emoji Collection at Hard Rock Cafe on May 10, 2016 in Hollywood, California. (Photo by JB Lacroix/WireImage)
HOLLYWOOD, CA - MAY 10: Blac Chyna and Rob Kardashian attend Blac Chyna's birthday celebration and unveiling of her 'Chymoji' Emoji Collection at Hard Rock Cafe on May 10, 2016 in Hollywood, California. (Photo by JB Lacroix/WireImage)
HOLLYWOOD, CA - MAY 10: Rob Kardashian and Blac Chyna arrive at her Blac Chyna Birthday Celebration And Unveiling Of Her 'Chymoji' Emoji Collection at the Hard Rock Cafe on May 10, 2016 in Hollywood, California. (Photo by Greg Doherty/Getty Images)
HOLLYWOOD, CA - MAY 10: Blac Chyna (L) and Rob Kardashian arrive for her Blac Chyna's birthday celebration and unveiling of her 'Chymoji' Emoji Collection at Hard Rock Cafe, Hollywood, CA on May 10, 2016 in Hollywood, California. (Photo by Gabriel Olsen/WireImage)
HOLLYWOOD, CA - MAY 10: Rob Kardashian and Blac Chyna arrive at her Blac Chyna Birthday Celebration And Unveiling Of Her 'Chymoji' Emoji Collection at the Hard Rock Cafe on May 10, 2016 in Hollywood, California. (Photo by Greg Doherty/Getty Images)
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