Stunning actress and singer, Diana Argon is engaged to her rockstar beau, Winston Marshall, the banjoist from folk band Mumford & Sons. Diana made her appearance as a Bride-to-Be during London Fashion Week sporting her huge yellow gold ring which is believed to be up to a whopping 6-carats of sparkling diamond! The couple have yet to release details of how the proposal took place, however it’s believed that it happened over the Christmas and New Year’s holiday period. Images fr
