tells she's rooting for Kourtney and Travis ...

tells she's rooting for Kourtney and Travis ...
Kim Kardashian tells Ellen DeGeneres she's rooting for Kourtney and Travis ...

Kim Kardashian made it clear just how much she's a fan of her sister Kourtney Kardashian's relationship with Travis Barker while speaking with Ellen DeGeneres.

In the episode, which will air Thursday, the 40-year-old reality star gushed about Kourtney and Travis' PDA-filled relationship in her first sit-down interview since ending her era-defining reality series Keeping Up With The Kardashians.

She also weighed in on whether she was looking for more kids amid her youngest sister Kylie Jenner's pregnancy and opened up about her four children's warring personalities.

Opening up: Kim Kardashian, 40, spoke to Ellen DeGeneres about her sister Kourtney Kardashian's romance with Travis Barker for her first sit-down interview since the end of Keeping Up With The Kardashians

Opening up: Kim Kardashian, 40, spoke to Ellen DeGeneres about her sister Kourtney Kardashian's romance with Travis Barker for her first sit-down interview since the end of Keeping Up With The Kardashians

Kim walked out for her interview in a striking V-neck black top with gloves running all the way up her arms and matching black pants, which contrasted considerably with most guests' casual attire.

While speaking about her family dynamics, Ellen quizzed the reality icon on whether her sister Kourtney's beau Travis would be joining the family for their next reality project.

'I honestly haven't talked to them about it, but I'm assuming because he's such a big part of Kourtney's life that they will be on,' she shared.

'I love their relationship,' she continued. 'They've grown so much together...'

Cute couple: 'I love their relationship,' Kim said of Kourtney and Travis. 'They've grown so much together'

 Cute couple: 'I love their relationship,' Kim said of Kourtney and Travis. 'They've grown so much together'

Joining the fold: Kim said she hadn't spoken to them about appearing on the family's next reality series, but she hoped they would both be part of it

Joining the fold: Kim said she hadn't spoken to them about appearing on the family's next reality series, but she hoped they would both be part of it

Kim then marveled that Kourtney and Travis had been neighbors for more than a decade before they fell in love with each other.

'They've been neighbors and friends for almost 15 years — neighbors for like a decade!'

Ellen joked 'All of a sudden they can't keep their hands off each other.

'What's wrong with them? They are at it likes it's the last time they're going to see each other. It's a lot,' she joked, which got a laugh out of Kim.

'It's a lot,' Kim agreed, 'but it's so cute.'

After Ellen added that 'every time you see them they're making out,' Kim replied, 'You know what, that's what they do.'  

Loving it: Ellen joked about how the lovebirds were always 'making out.' ''It's a lot,' Kim agreed, 'but it's so cute'

Loving it: Ellen joked about how the lovebirds were always 'making out.' ''It's a lot,' Kim agreed, 'but it's so cute'

The cut off: Kim sounded unsure when Ellen asked if she wanted to have more children like her sister Kylie Jenner. 'I think [I'm done]. I mean, I think — yeah, I'm done. I have a lot of kids. I'm done,' she said

The cut off: Kim sounded unsure when Ellen asked if she wanted to have more children like her sister Kylie Jenner. 'I think [I'm done]. I mean, I think — yeah, I'm done. I have a lot of kids. I'm done,' she said

Ellen also quizzed Kim on whether she would consider having any more children when she remarked that Khloé Kardashian and Kylie Jenner had bother been pregnant at the same time previously, while Kim's surrogate had also been expecting.

'So should Khloé jump

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