Princess Charlotte and Prince Louis look through Palace window shortly before Queen's appearance

Footage showed Charlotte pull back a curtain, with her younger brother at her side, as the pair were seen trying to catch a glimpse of the crowds gathered outside.

Princess Charlotte and Prince Louis look through Palace window shortly before Queen's appearance
Footage showed Charlotte pull back a curtain, with her younger brother at her side, as the pair were seen trying to catch a glimpse of the crowds gathered outside.