Friendly exes!Kourtney KardashianandScott Disickstepped out on Wednesday night to celebrate family friendJonathan Cheban‘s birthday at Nobu in Los Angeles.Kim Kardashian West,Kanye West,Kris JennerandCorey Gamblealso attended.BACKGRIDKris Jenner, Jonathan Cheban, Corey Gamble and Kim Kardashian West.BACKGRIDCheban, 45, documented the evening on his Instagram Story, sharing a video of the family singing “Happy Birthday” as they presented him with a sushi cake.Jonathan Cheban/InstagramJonathan Cheben/InstagramKourtney, 39, and Disick, 35,ended their nine-year relationshipin July 2015 but continue to co-parent sonsMason, 9,Reign, 4, and daughterPenelope, 6.Disick has been dating 20-year-oldSofia Richiesince the fall of 2017. Though their age difference initially raised eyebrows, sources have told PEOPLE that the Kardashiansfully support the pair’s relationshipnow.“Everyone really likes her,” one source said, adding, “They think she’s a great influence and Scott is so in love, so it’s not a problem.”RELATED VIDEO:Kourtney KardashianReveals How She’d React IfScott Disickand Sofia Richie Got EngagedKourtneyended her relationshipwith 25-year-oldYounes Bendjimaafter a little under two years last summer. After the breakup, she was linked toGrown-ishactor and modelLuka Sabbat, 21, though the brief romance has since fizzled out.

Friendly exes!

Kourtney KardashianandScott Disickstepped out on Wednesday night to celebrate family friendJonathan Cheban‘s birthday at Nobu in Los Angeles.Kim Kardashian West,Kanye West,Kris JennerandCorey Gamblealso attended.

BACKGRID

<em>EXCLUSIVE</em> Kourtney Kardashian and Scott Disick leave Nobu after Jonathan Cheban&rsquo;s birthday dinner

Kris Jenner, Jonathan Cheban, Corey Gamble and Kim Kardashian West.BACKGRID

The Kardashian clan enjoy family dinner at Nobu but there is no sign of Khloe!

Cheban, 45, documented the evening on his Instagram Story, sharing a video of the family singing “Happy Birthday” as they presented him with a sushi cake.

Jonathan Cheban/Instagram

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Jonathan Cheben/Instagram

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Kourtney, 39, and Disick, 35,ended their nine-year relationshipin July 2015 but continue to co-parent sonsMason, 9,Reign, 4, and daughterPenelope, 6.

Disick has been dating 20-year-oldSofia Richiesince the fall of 2017. Though their age difference initially raised eyebrows, sources have told PEOPLE that the Kardashiansfully support the pair’s relationshipnow.

“Everyone really likes her,” one source said, adding, “They think she’s a great influence and Scott is so in love, so it’s not a problem.”

RELATED VIDEO:Kourtney KardashianReveals How She’d React IfScott Disickand Sofia Richie Got Engaged

Kourtneyended her relationshipwith 25-year-oldYounes Bendjimaafter a little under two years last summer. After the breakup, she was linked toGrown-ishactor and modelLuka Sabbat, 21, though the brief romance has since fizzled out.

source: people.com