Ashley Walters, Musician & Actor

The whole experience left a big impression

Jameela Jamil, Presenter, T4

I would not be the person I am without it

Kate Nash, Musician

Expression is really important

Sir Stuart Rose, M&S Chairman

I probably couldn´t do what I do without it

Kirsty Young, Broadcaster

Life isn´t just about the practical

Professor Tanya Byron

It's part of our life as a family

Rt Hon David Cameron

It´s something that stays with you forever