What to Wear for Afternoon Tea

'Let’s do coffee' - it's something I say and hear countless times during the working week. So it was a welcome break, even for the sake of variety, to accept an invitation with fellow female blogger Sophie Milner for Champagne Afternoon Tea at Fortnum & Mason as part of the Virgin Experience Days. But what does one wear to Afternoon tea? Even the words 'afternoon tea' evoke quintessential English tradition and perhaps for some people their mind will gravitate towards classic or formal dress code.