"Willis is very disappointed in them, and he's been calling them spoiled and selfish," showbizspy.com quoted a source as saying.u00a0"He doesn't understand why they are turning on their mom when, for the most part, she's been an incredibly supportive parent."

"He thinks they are being way too hard on Demi. He still really loves her, but he has a new wife and baby to look after so it's not as though he can do much for her," said the source.