As Miley Cyrus’s mum is accused of stealing her new British husband from her other daughter and the singer falls out with her father, is the notoriously chaotic Cyrus family even more dysfunctional than we thought?

As Miley Cyrus’s mum is accused of stealing her new British husband from her other daughter and the singer falls out with her father, is the notoriously chaotic Cyrus family even more dysfunctional than we thought?

The Cyrus family know ­better than anyone that breaking up can be good for business. More than 30 years after country singer Billy Ray Cyrus had a…