In a recent newspaper interview, historian Lucy Worsley revealed that she has an unusual pre-nuptial agreement: she is not allowed to appear on BBC show Strictly Come Dancing. This got Obiter thinking about what other clauses couples might have in their pre-nups.

Who better to ask than high-profile family lawyer Ayesha Vardag? As well as having a pre-nup, Vardag signed a post-nuptial agreement with her husband in celebratory manner among guests, before cutting the cake, at their June wedding.