Princess Charlotte was all about crossing off royal milestones during her trip to Switzerland with Prince William on Sunday, July 27. Along with making her first solo trip abroad with her dad, the 10-year-old also signed her full name for the first time in a royal Instagram post.

Princess Charlotte looked perfectly polished alongside her dad while cheering on the British women’s soccer team.

Marking Princess Charlotte’s first official public message, the young royal joined her father and grand-father, the King, in congratulating the National team