Kim Kardashian is showing her appreciation to have Kanye West as the father of her children, taking a moment to post a sweet message to her ex-husband, just in time for Father’s Day. The couple share four children, 9-year-old North, 6-year-old Saint, 4-year-old Chicago and 3-year-old Psalm.Kim took to Instagram to post a photo of the rapper with their children, captioning it “Thank you for being the best dad to our babies and loving them the way you do! Happy Father’s Day Ye.“Kim also shared an emotional tribute to her late father, Robert Kardashian, posting a sweet photo and writing “The kids asked me how I would celebrate with you today if you’re all the way up in heaven.