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COSTA TEGUISE, SPAIN: Prince Felipe (L) and his wife Letizia pose with their daughter Leonor in Costa Teguise on the Lanzarote Island, 27 December 2005. Leonor is second in line to the throne after 37-year-old Felipe but can only become queen if Spain undertakes constitutional reform to end the male primacy enshrined in its succession laws. AFP PHOTO/ VICENS GIMENEZ (Photo credit should read VICENS GIMENEZ/AFP/Getty Images)

COSTA TEGUISE, SPAIN:  Prince Felipe (L) and his wife Letizia pose with their daughter Leonor in Costa Teguise on the Lanzarote Island, 27 December 2005. Leonor is second in line to the throne after 37-year-old Felipe but can only become queen if Spain undertakes constitutional reform to end the male primacy enshrined in its succession laws. AFP PHOTO/ VICENS GIMENEZ  (Photo credit should read VICENS GIMENEZ/AFP/Getty Images)