In Pictures: Prince William & Kate Middleton

Prince William and Kate Middleton lifted the nation's spirits earlier this week by announcing that they were engaged and planning to wed in 2011. With what promises to be the biggest Royal occasion since Charles and Di wed and the biggest showbiz nuptials since Posh & Becks, here is a look back at the blossoming relationship of Wills and Kate. Click along our gallery below for some classic snaps of the happy couple: