King Felipe's sweet words to daughter Princess Leonor on her 18th

King Felipe of Spain had sweet words for his daughter Princess Leonor on her milestone 18th birthday.

Sisterly love! Spain's future queen's bond with her only sibling – Royal Central

Crown Princess Leonor started her military training at the Military Academy

New official photos of Spanish Royal Family were released

Queen Letizia pays sweet tribute to daughter Princess Leonor with jewellery choice, Royal, News

King Felipe's sweet words to daughter Princess Leonor on her 18th birthday

Spain's Crown Princess Leonor turns 18 and is feted as the future queen

Spain Celebrates Princess Leonor's 18th Birthday - Queen Letizia Style

Princess Leonor Swears Loyalty to Spain on 18th Birthday

Future Queen of Spain Princess Leonor Rings in 18th Birthday with Tradition — and a Symbolic New Necklace

King Felipe's sweet words to daughter Princess Leonor on her 18th birthday

Princess Leonor of Spain, 13, joins by Queen Letizia and King Felipe at awards evening

Royal fans reminisce about moment King Felipe of Spain swore allegiance to the Spanish Constitution on his 18th birthday - as daughter Princess Leonor takes the same oath

Crown Princess Leonor started her military training at the Military Academy

Princess Leonor of Spain turns 18 and formally enters public life

Princess Leonor of Spain Marks 18th Birthday with Tradition, New Honor