Ever since I first read Jenny Joseph's wonderful poem Warning, I could identify with it:
"When I am an old woman I shall wear purple
With a red hat which doesn't go, and doesn't suit me..."
This idea was taken up in America, and there are now Red Hat Societies all over the world. The rule is that when you reach the fabulous age of fifty, you're entitled to dress in purple with a red hat; until that time, you must keep it muted by wearing a lavender outfit and a pink hat. The groups meet simply to celebrate the joys of getting older.
Visit the Red Hat Society website
(I've just found that there is a Norwich group, and have sent them an email - I'll let you know how I get on...)