That's odd Kate... Duchess pulls a face

Catherine, Duchess of Cambridge jubilates during the Women's Handball Preliminaries Group A match between Great Britain and Croatia on Day 9 of the London 2012 Olympic Games. (GETTY/GALLO)

Catherine, Duchess of Cambridge looks on during the Women's Handball Preliminaries Group A match between Great Britain and Croatia on Day 9 of the London 2012 Olympic Games. (GETTY/GALLO)

Catherine, Duchess of Cambridge looks on during the Artistic Gymnastics Men's Pommel Horse Final on Day 9 of the London 2012 Olympic Games. (GETTY/GALLO)

Catherine, Duchess of Cambridge looks on during the swimming finals session on Day 7 of the London 2012 Olympic Games. (GETTY/GALLO)

Catherine, Duchess of Cambridge (GETTY/GALLO)

Catherine, Duchess of Cambridge (GETTY/GALLO)

Catherine, Duchess of Cambridge (GETTY/GALLO)

Catherine, Duchess of Cambridge (GETTY/GALLO)

Catherine, Duchess of Cambridge (GETTY/GALLO)

Catherine, Duchess of Cambridge (GETTY/GALLO)