>> i get in bed with them at night and hug them and i always say who loves you most in the whole-wide world? and they always say mommy. always that. so important. >> princess diana wanted to show her sons, harry and william, what the real world was like. she would take them to homeless shelters and take them to meet people who were sleeping rough on the streets. >> princess diana cared deeply about center point. her visits to the homeless youngsters were often in public but she also took princes william and harry as children on private, often late-night visits. following in his mother's footsteps, prince william became patron of center point. his first patronage. >> prince william spent a night sleeping rough on the stroeets n london as part of his work supporting center point, a charity for the homeless. >> obviously, a very powerful