Kourtney Kardashian spent her Friday night with an unlikely friend, Justin Bieber.

After Kardashian, 36, and Bieber, 21, dined separately at The Nice Guy restaurant in West Hollywood, the pair left together and were seen at Universal Studios Hollywood during one of its Halloween Horror Nights, according to E! News.

Bieber then posted a selfie with the reality star on Instagram. The black and white photo featured the “What Do You Mean” singer and Kardashian wearing 3D glasses. There are rides at Universal that have 3D aspects.

Bieber, who is a longtime friend of the Kardashian family, recently made headlines for being photographed naked on vacation in Bora Bora.

His rumored girlfriend, British model Jayde Pierce, was there with him on the French Polynesian island, and also photographed sunbathing and swimming.

Kardashian was also photographed nude, but she was posing for Vanity Fair. Her ex-boyfriend Scott Disick posted the picture to his Instagram page and sparked reunion rumors.

“Now that’s 1 hot mama,” he wrote about the mother of his three children.

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