From typicallyspanish.com

Madrid
Princess resumes her duties a week after the death of her younger sister
By h.b.
Feb 14, 2007 - 2:37 PM

A week after the tragic death of her sister Érika, the Princess of Asturias, Letizia Ortiz has once again taken up her agenda.

She accompanied her husband today on a visit to the new headquarters of the Cervantes Institute in Madrid, where the couple held a working meeting with the management.

The Princess however appeared sad when confronted by photographers at the event, and is was of note that Prince Felipe was wearing a black tie.