Mills tells Extra Paul McCartney's daughter broke up her marriage.

It's a familiar story, but with famous faces. Dad remarries -- kids hate new wife -- new marriage breaks up. But most stepmommies don't start a campaign to bring down the family. Heather Mills pulls no punches in her interview with Extra.

It's understandable that a child would have an opinion on who a parent remarries. But when the first spouse dies, does the second spouse ever stand a chance? And how much of a say should children have in a parent's decision to get married again? Let us know what you think by clicking "comments" below.