Kourtney and Scott on the rocks?

The reality TV star posted a still from Disney movie Lilo and Stitch, overlaid with the words: 'If you want to leave, you can. I'll remember you, though. I remember everyone that leaves.'

The pregnant mother of two added a heartbroken emoji in the caption.

Kourtney and Scott have been having problems recently because of Scott's battle with alcohol dependence and depression.

In a clip from tonight's episode of Kourtney and Khloe Take the Hamptons, released by E! Online on Friday, Kourtney revealed to her sister Kendall Jenner that Scott may be about to enter rehab.

She told the 19-year-old model: 'First of all he's just, like, severely depressed. He just makes up whatever, like, pills he thinks he needs to take and then if you drink with that I don't think it's good. And just stuff like that.'

In a voiceover, she added: 'I know my sisters are worried and wondering what Scott is going to do but I don't want to push him to go to rehab. I want it to be his decision.'

It is terrible timing for the couple, with Kourtney getting an ultrasound in LA during the episode to find out the sex of their child.

Meanwhile Scott, 31, remained in New York.

Kourtney and Scott already have two children - Mason, four, and Penelope, two.

Instagram users reacted with an outpouring of sympathy for Kourtney, saying Scott needed help because he 'needs to be a good role model'.