This brought tears to our eyes!!
Next to a photo of the letter, Miz King penned:
Check out the clip (above) to see a preview clip of the show. At one point MJ's daughter tells Oprah, "It never gets easier," in reference to her late father who died three years ago.
You'll be able to watch the full interview this Sunday at 10pm on OWN.
Go Oprah! She's been on a roll, lately.