PALMA DE MALLORCA, SPAIN - APRIL 16: Princess Leonor and Princess Sofia of Spain attend the easter mass on April 16, 2017 in Palma de Mallorca, Spain. (Photo by Patrick van Katwijk/Getty Images)

PALMA DE MALLORCA, SPAIN - APRIL 16: Princess Leonor and Princess Sofia of Spain attend the easter mass on April 16, 2017 in Palma de Mallorca, Spain. (Photo by Patrick van Katwijk/Getty Images)

PALMA DE MALLORCA, SPAIN - APRIL 16: Princess Leonor and Princess Sofia of Spain attend the easter mass on April 16, 2017 in Palma de Mallorca, Spain. (Photo by Patrick van Katwijk/Getty Images)

PALMA DE MALLORCA, SPAIN - APRIL 16: Princess Leonor and Princess Sofia of Spain attend the easter mass on April 16, 2017 in Palma de Mallorca, Spain. (Photo by Patrick van Katwijk/Getty Images)

PALMA DE MALLORCA, SPAIN - APRIL 16: Princess Leonor of Spain (L) and Princess Sofia of Spain (R) attend the Easter Mass at the Cathedral of Palma de Mallorca on April 16, 2017 in Palma de Mallorca, Spain. (Photo by Carlos Alvarez/Getty Images)

PALMA DE MALLORCA, SPAIN - APRIL 16:  Princess Leonor of Spain (L) and Princess Sofia of Spain (R) attend the Easter Mass at the Cathedral of Palma de Mallorca on April 16, 2017 in Palma de Mallorca, Spain.  (Photo by Carlos Alvarez/Getty Images)

PALMA DE MALLORCA, SPAIN - APRIL 16: Princess Leonor and Princess Sofia attend the Easter Mass at the Cathedral of Palma de Mallorca on April 16, 2017 in Palma de Mallorca, Spain. (Photo by Cati Cladera - EFE Pool/Getty Images)

PALMA DE MALLORCA, SPAIN - APRIL 16:  Princess Leonor and Princess Sofia attend the Easter Mass at the Cathedral of Palma de Mallorca on April 16, 2017 in Palma de Mallorca, Spain.  (Photo by Cati Cladera - EFE Pool/Getty Images)