Question: "The court should give effect to a nuptial agreement that is freely entered into by each party with a full appreciation of its implications unless in the circumstances prevailing it would not be fair to hold the parties to their agreement." (Lord Phillips in Radmacher (formerly Granatino) (Respondent) v Granatino (Appellant) [2010] UKSC 42) Explain the principle in relation to prenuptial agreements in the above case and discuss if there is a need for prenuptials to be regulated by legislation.