Again, ONS figures would seem to support her belief: one in five men and women divorcing in 2007 had a previous marriage ending in divorce.

BBC: Opening the doors on divorce

Costello's previous two marriages ended in divorce, and in November last year it was announced he had split from former Pogues singer Cait O'Riordan after 16 years of marriage.

BBC: The couple met during last year's Grammys