Byline: Ellen Tumposky

LONDON _ Prince Harry gave a heartfelt tribute to "the best mother in the world" Friday in an emotional service marking the 10th anniversary of Princess Diana's death.

"She never once allowed her unfaltering love for us to go unspoken or undemonstrated," Harry, 22, told 500 guests at the Guards Chapel near Buckingham Palace. "She kissed us last thing at night. Her beaming smile greeted us from school."

The prince, in a highly personal speech light-years removed from traditional royal stoicism, said it was "indescribably shocking and sad" to lose a parent so young.

He said he and his brother, William, 25, divide life into the years ...