Kim KardashianandPete Davidson’s romance is over.

The duo, who were first romantically linked in October 2021, ended their relationship this week, a source tells PEOPLE.

“Part of the reason they split was because of their busy schedules,” an insider says. “They both travel all the time and it was hard.”

E! Newswas the first to report news of Kardashian, 41, and Davidson’s split.

Representatives for both stars did not immediately respond to PEOPLE’s request for comment.

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Pete Davidson; Kim Kardashian.Dimitrios Kambouris/Getty; Frazer Harrison/Getty

Pete Davidson, Kim Kardashian

RELATED GALLERY:Kim Kardashian and Pete Davidson’s Relationship Timeline

Kardashian and theSaturday Night Livecomedian, 28,shared an onscreen kissfor a sketch during the SKIMS mogul’sSNLhosting debut on Oct. 9, 2021.

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Kardashian later recalled the moment on Amanda Hirsch’sNot Skinny But Not Fatpodcast in April 2022. “When we kissed, I was just like, ‘Hmm!’ It was a stage kiss, but it was still like, a little zing. It wasn’t anything like a super-crazy feeling. I was just like, ‘Hmm,’ and then I was like, ‘Wow, I really haven’t kissed anyone else in 10 years, so maybe I’m just like being stupid and it’s just nothing and it’s just a stage kiss,’ " she said at the time.

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Pete Davidson and Kim Kardashian attend The 2022 Met Gala

The two continued to spend time together after Knott’s Scary Farm, including when Kardashian traveled to Davidson’s native Staten Island, New York, to have dinner atCampania, an Italian restaurant, the next month.

The pair were then spotted out the following weekend in Palm Springs,holding hands and smiling, and continued to stay close in the weeks to follow, even kicking off the New Year with a short trip to the Bahamas.

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Pete Davidson and Kim Kardashian

“Well, I don’t really have Instagram — I don’t have Instagram or Twitter or any of that stuff. So, most of my daily life is getting into cars and showing up to a set,” the comedian said.

“Or, if I’m off, I just either hang with my friends or chill with my girlfriend inside. So I don’t do much,” he continued, referring to Kardashian with the title publicly for the first time.

The couple latermade their Instagram debuton March 11, with Kardashiansharing two photosof Davidson.

Kardashian and Davidson also showed up to the 2022 Met Gala for a starry date night. ThoughKardashian’s choice to wear Marilyn Monroe’s dress might have been controversial,her evening with Davidsonwas nothing but smooth sailing, with her date showering her with affection and helping her navigate the Metropolitan Museum of Art’s famous steps in her formfitting gown.

RELATED VIDEO:Kim KardashianSays She Hopes to Marry Again amidKanye WestDivorce: ‘4th Time’s the Charm’

Kardashian and Davidson’s relationship marked the first forThe Kardashiansstar after her split fromKanye West. Together the pair share daughtersNorth, 9, andChicago, 4, as well as sonsSaint, 6, andPsalm, 3.

The mom of fourfiled for divorcefrom West, 45, in February 2021. A source previously told PEOPLE that Davidson was “exactly what Kim needed after her divorce.”

“Someone to make her laugh and just have a fun time with,” the source said at the time. “The end of her marriage was a very dark time for her and Pete has been the best antidote.”

source: people.com