She made this connection with her reality show back in 2002; people just sat back and took her in, so the real strength of her celebrity is her personality,
Our readers love celebrities, ... We cover the aspects of celebrity that our readers can most relate to -- romance, engagement, marriage, babies, shopping. It makes celebrities much more accessible to our reader, which is what she wants.
You can be cynical about it and say it ups the ante of celebrity uniqueness. But it does enhance the stature of a celebrity because it shows the person is open-minded and cosmopolitan enough to take in children with great needs from around the world.
Being a celebrity is addictive. Britney would like to go back to being Britney one day.