It may be cold in Aspen, but that did not stop Kourtney Kardashian from showing skin on Saturday night.

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All were spotted by photographers while they were leaving a local pharmacy and before dine at the Italian restaurant Casa Tua.

Kardashian paired her transparent shirt, which she wore without a bra, to a tuxedo-style trench coat, with a long tail and matching black skinny pants.

Disick – who shares his daughter Penelope Scotland, 6, and his sons Mason Dash, 9, and Reign Aston, 4, with Kardashian – kept the casual style with blue jeans, a black top and a matching trench coat. Richie rocked a black set from head to toe, pricking it with an animal print trench and a magenta handbag.

Kourtney Kardashian, Scott Disick and Sofia Richie

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Kardashian, Disick and Richie have spent time together as a trio recently.

A few days before Christmas, the three children were on family vacations in Cabo San Lucas, Mexico, with the kids – Disick would caption an Instagram cliché of all three sitting on recliners. "What's a guy can ask for more?" THE COMPANY OF THREE.

Giving her seal of approval, Khloé Kardashian tweeted in response to a fan who called her sister's vacation "co-parenting well done !!

<p class = "canvas-atom canvas-text Mb (1.0em) Mb (0) – sm Mt (0.8em) – sm" type = "text" content = ""Beyond proud of all!!!! It's the love !! Your children first! All great adults, that's true !!! ", she writes. Data-reactid = "36"> "Beyond proud of all!!!! It's the love !! Your children first! All the extraordinary adults, just right!

<p class = "canvas-atom canvas-text Mb (1.0em) Mb (0) – sm Mt (0.8em) – sm" type = "text" content = "RELATED: Sofia Richie links up with the Karjenners – including Kourtney! – on family ski holidays in Aspen"data-reactid =" 38 ">RELATED: Sofia Richie links up with the Karjenners – including Kourtney! – on family ski holidays in Aspen

Prior to the trip, Kardashian had only been seen outside with his ex and Richie on two separate occasions. On November 4, the reality TV star joined the couple for what a source told PEOPLE was a "quick" and "tense" dinner. Then, on November 16th, they all attended a gallery exhibition.

One source told PEOPLE that as his relationship with Disick grew stronger, Richie continued to navigate the complex family dynamics with Kardashian.

"She likes Scott and wants to be with him," said the source. "She likes to be with Scott and her kids."

The insider also stated that Richie was happy to have established a bond of trust with Kardashian and "proved to Kourtney that she was great with her children."

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Kardashian, Disick and Richie are not the only ones in Aspen. Kim Kardashian West, Kanye West and Kendall Jenner are also in attendance. They were all five seen during a shopping excursion together on Friday night.

<p class = "canvas-atom web-text Mb (1.0em) Mb (0) – sm Mt (0.8em) – sm" type = "text" content = "On Saturday, Richie joined his elder. former sister of Nicole Richie Simple life Paris Hilton for a fun and incredibly cold day on the slopes. "data-reactid =" 45 "> On Saturday, Richie met the older sister of Nicole Richie, his older sister. Simple life costar (and long-time friend of Kardashian West), Paris Hilton for a fun and incredibly cold day on the slopes.

"It's very cold here, people," said Richie during a clip on Instagram's Story, while she and Hilton were sitting next to each other on a lift.

Noting Hilton's sunny disposition, Richie added that despite the weather, the 37-year-old DJ and heir to the hotel "seems to be acting like we're in California."

"We're in LA, bitch," Hilton said, pushing the two men to laugh.

The cold does not seem to bother Jenner and Kardashian too much. On Sunday, the two sisters showed their impressive figures by wearing swimsuits and snowsuits while standing out in the snow.