Justin Bieber and Kourtney Kardashian "Inseparable," "Touchy Feely" While ...

Kourtney Kardashian Rumored to Be Hooking Up With Justin Bieber

Kourtney Kardashian and Justin Bieber photographed together in October

AKM-GSI

By Melody Chiu and Sarah Michaud

12/14/2015 AT 04:00 PM EST

Justin Bieber was seen cozying up to a Kardashian Friday night in Los Angeles.

The singer and Kourtney Kardashian were spotted spending some quality time together at The Nice Guy in West Hollywood, where Bieber performed two songs.

"He and Kourtney were nearly inseparable smoking on the patio together and were super touchy feely," a source tells PEOPLE.

They kept the party going, leaving The Nice Guy together to hit up another West Hollywood hotspot.

"They went to Blind Dragon afterwards," the source says. "Kourtney left around 12:45 a.m. and Justin left around 1:30 a.m."

RELATED VIDEO: Kourtney Kardashian and Scott Disick Are Working on Their Relationship On Sunday, Bieber, 21, sparked a flurry of speculation that he and Kardashian, 36, were more than friends when he posted a photo on Instagram that seemingly referenced Kardashian ex Scott Disick

Lord knows

A photo posted by Justin Bieber (@justinbieber) on Dec 13, 2015 at 5:13pm PST

Bieber posted a photo with a mystery women, captioning it "Lord knows," which fans speculated was a reference Disick"s nickname The Lord. However, paparazzi photos later revealed that the mystery woman in the Instagram post was not Kardashian.

Bieber has palled around with the Kardashian family in the past. In May, Bieber posted a photo of himself horsing around in a pool with Disick and Kardashian"s son Mason.

"Mason is as cool as a fan," he captioned the photo.

Source: http://www.people.com/article/justin-bieber-kourtney-kardashian-inseparable