Kourtney Kardashian and Scott Disick 'back together'

Kourtney Kardashian and Scott Disick have rekindled their relationship.

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The 37-year-old star and the 33-year-old TV personality – who have sons Mason, six, Penelope, four, and 23-month-old Reign together – have reportedly reunited after splitting in 2015 following a nine-year romance.

A source told E! News: “They are back together and giving their relationship a try again.”

The entrepreneur is said to have “mellowed out” and curbed his former partying ways, which were the cause of many spats between him and the raven-haired beauty.

The source explained: “Scott’s mellowed out a lot and hasn’t been partying.”

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Kourtney and Scott are thought to be keen to make amends for their children’s sake.

A separate source said: “Both want to make it work for them and their kids.”

This news comes after Kourtney and Scott were spotted holidaying in Mexico last month, which saw the hunk gush about the Keeping Up With the Kardashians star.

Alongside a picture of Kourtney sporting a black swimsuit and peering over the edge of a swimming pool, which was shared on his Instagram account, he wrote: “Views (sic).”

Scott has been “on a mission” to win back his long-term partner as he has recently moved back into the mansion he previously shared with Kourtney and their three children before their relationship collapsed.

A source previously said: “Kourtney is very encouraged to see how much he has been trying.”

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However, the mother-of-three didn’t want to get back with her former beau until she knew he was “fully committed” to their family.

A separate source explained: “She got screwed over by Scott so many times in the past. Kourtney is still protecting herself.

“She doesn’t want to say that they are back together until she knows for sure that Scott is fully committed to his family. But so far so good. Scott has been amazing to Kourtney, and she is very happy.”