Fatherhood is brand new territory for Rob Kardashian, but Scott Disick is confident the dad-to-be will be a natural. "I believe Rob's going to be an amazing dad," Scott told E! News at his American Psycho Halloween party this weekend at the 1OAK Nightclub at Mirage Resort & Casino in Las Vegas. "I think it's just something you need to figure out within time," he said. Denise Truscello/WireImage Rob's spent a lot of time with his nieces and nephews as well as with fiancée Blac Chyna's 4-year-old son, King Cairo.