Kim Kardashian West's four kids all come with distinctly different personalities. The 40-year-old reality star appears on Thursday's episode of , and opens up about her children, 8-year-old North, 5-year-old Saint, 3-year-old Chicago, and 2-year-old Psalm, that she shares with her ex, Kanye West. «North is like goth, she's into Hot Topic, and she puts fake tattoos on her face,» Kim says of her oldest.