Scott Disick has been giving Rob Kardashian parenting advice.

Scott Disick

Scott Disick

Rob's fiancée Blac Chyna, 28, is pregnant with the reality TV star's first child and Scott, who has children Mason, six, Penelope, four, and Reign, 20 months, with Rob's sister Kourtney Kardashian, is confident that his pal will be a good dad.

He told Us Weekly: "I think every day is such a big day, especially when you're a dad. I've given Rob a lot of advice, but all things, I think, will pan out in the whole television thing that we do. I think people will see it there."

Rob's sister Kylie Jenner recently turned 19 but Scott admitted he doesn't think he can give her any advice because her life is so different to his when he was a teenager.

Speaking about the entrepreneur and reality TV star, he said: "I think she lives in a much different parachute than I lived in when I was 19. The world is pretty intense. I give her the utmost respect with the way she's been able to carry herself with all the publicity that surrounds her."

Scott, 33 - who is no longer dating Kourtney but is still close to her and her family - previously revealed he is excited for Rob, 29, to become a dad as the tot will be like a new brother or sister for his kids.

He said: "We're all such a close-knit family that all of our kids are more like brother and sister and not just cousins. It's bigger than just cousins ...

"We all live within each other's lives, so yeah, it's like everyone is like everybody's [child]. So it's not going to be different when Rob & Chyna have their kid, that's going to be a sister or a brother to my kids."