Leonor and Sofia join parents at parade
King & queen of Spain visit sailing club with their daughters
Spain's King Felipe and Queen Letizia of Spain, with their daughters, Princess Sofia (left) and Princess Leonor (right), visit the Real Club Náutico de Mallorca during the last day of 34th Copa del Rey Mapfre Sailing Cup on August 8, 2015 in Palma de Mallorca, Spain.
Felipe & Letizia happy together on summer holiday with daughters
Spain's King Felipe VI and Queen Letizia of Spain pose for photographers with their daughters, Princess Sofia (left) and Princess Leonor, at the Marivent Palace in Palma de Mallorca, Spain on August 3, 2015.
Princess Leonor's First Communion
Spain's King Felipe (left); his wife, Queen Letizia; their daughters, Princess Sofia (left) and Princess Leonor (right); and Felipe's parents, King Juan Carlos and Queen Sofia, after the First Communion of Princess Leonor at Nuestra Señora de la Asunción church in Meco, Spain on May 20, 2015.
Royals celebrate Easter 2015
Spanish royal Christmas cards for 2014
Spanish royal family celebrates National Day
King Felipe, Queen Letizia, Princess Leonor, and Princess Sofia attend a military parade on Spain's National Day on October 12, 2014 in Madrid, Spain. (Photo by Eduardo Parra/Getty Images)
New photos of Felipe, Letizia, Leonor & Sofia
Spain's King Felipe, Queen Letizia, and their daughters, Princess Leonor (right) and Princess Sofia (left) visited Serra de Tramuntana in Mallorca, Spain on August 11, 2014. (Photos by Carlos Alvarez/Getty Images)
New photos of King Felipe and his family
King Felipe VI and Queen Letizia of Spain pose for photographers with their daughters, Princess Leonor (at right in first photo) and Princess Sofia, at the Marivent Palace in Palma de Mallorca, Spain on August 5, 2014. (Photos by Carlos Alvarez/Getty Images)