Rob Kardashian Proposes to Blac Chyna While Entire Kardashian Family Is Out of Town -- See Their Vacation Vide

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Almost the entire Kardashian clan was on a family getaway during an important night in Rob Kardashian's life -- when he got engaged to girlfriend Blac Chyna.

On Monday, Kris Jenner whisked her daughters -- Kim, Khloe, and Kourtney Kardashian, as well as Kendall and Kylie Jenner -- on a trip, bringing along their significant others, Corey Gamble, Kanye West, Tyga, and even Kourtney's ex, Scott Disick. Although Kris initially kept their destination a secret from her family, the Kardashians are now in Vail, Colorado, and have been documenting their trip on Snapchat.

"So, we are on our secret journey -- we don't know where we're going because Kris Jenner won't tell us -- but, as long as the sisters are together, we're OK," Khloe, 31, says on Kylie's Snapchat.

WATCH: Amber Rose Congratulates Rob Kardashian & Blac Chyna on Engagement, Jeweler Spills Details on Dazzling 7-Carat Ring

Later, Kendall joins Khloe and Kylie outdoors, where they're all bundled up for the cold weather.

Even the next generation of Kardashians got in on the fun, with Khloe posting this super cute picture of herself with Kim and Kanye's daughter, 2-year-old North, and Kourtney and Scott's daughter, 3-year-old Penelope, all sporting matching braids.

And Kris, 60, clearly let loose once inside their digs, hilariously belting out "Impossible" from the musical, Cinderella.

The whole group appears to be enjoying themselves on their trip, with Scott even visiting an old family joke that Keeping Up With the Kardashians viewers are plenty familiar with -- when he used to call Kris and pretend to be their family friend, luxury real estate broker Todd Kraines.

"Auntie Kris, it's me, it's Todd Kraines!," Scott jokes in Kim's Snapchat, as the 35-year-old reality superstar can barely contain her laughter. Although, hilariously, the real Todd actually joined them on vacation and popped up in Kim's Snapchat.

Meanwhile, Chyna and Rob were snapped heading inside Ace of Diamonds L.A. strip club in West Hollywood, California, on Monday night, during Rob's family's big getaway. The 27-year-old model sported her dazzling new 7-carat engagement ring on her left hand. 

Maciel / AKM-GSI

Chyna's mom, Tokyo, was also at Ace of Diamonds to celebrate, smiling big as she left the venue.


Interestingly enough, the entire Kardashian family has stayed silent on Rob's engagement on social media. Chyna's relationship with the Kardashian family is complicated to say the least. The model was formerly engaged to Tyga and is the mother of their son, 3-year-old King Cairo, and was once close to Kim until the "Rack City" rapper started dating 18-year-old Kylie.

WATCH: Tyga Breaks His Silence on Rob Kardashian and Blac Chyna Dating

Despite the drama, a source close to Rob exclusively told ET last month that the Kardashians are actually "really happy" that Rob has found love again.

"The changes Rob has made in his life are so good. They appreciate Chyna for that," the source said, referring to the once-reclusive Rob's recent weight loss since the two started dating in January. "They're hoping this lasts for longer."

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