Sibling Revelry, the podcast she hosts with her brother Oliver Hudson she opened up about giving the daughter of her estranged father, Bill Hudson, a phone call.“I had this moment last year where I was like, ‘I don’t know why I don’t talk to my other siblings,’” shared, . “I don’t care what the history is with our parents…. I have two sisters that I don’t speak to for no other reason than our family is separated.”“My sister and I and my brother have all just started communicating again,” Hudson continued, not specifying which of her father’s other two daughters she spoke to (though it’s a fair bet that it’s the elder half-sister, who is full siblings with Kate’s half-brother.) “And honestly, I got on the phone with my sister and we just started bawling our eyes out.