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By Amy Eley
Prince William and Duchess kate watch Scotland play Wales in field hockey at the Commonwealth Games.Chris Jackson / Today

When it comes to watching sports, the royals certainly don't shy away from showing their emotions. 

A month after the Duke and Duchess of Cambridge tensely watched a match at Wimbledon, the two left Prince George at home to spend Monday at the Commonwealth Games at the SSE Hydro stadium in Glasgow, Scotland.

Catherine and Prince William watch Scotland play Wales in field hockey at the during the Commonwealth Games.Chris Jackson / Today

Prince Harry was also in attendance and joined his brother and sister-in-law in the stands to watch Scotland play Wales in field hockey.

WATCH: Duchess Kate shows emotion in the stands 

The Duchess of Cambridge, Prince William and Prince Harry react as they watch the women's field hockey match between Wales and Scotland.Scott Heppell / Today

Duchess Kate, whose adorable reactions ran the gamut from gasping to grinning to covering her mouth with her hands, wore one of her signature looks: navy pants, a blue blazer and wedge heels.

Prince Harry, Prince William and Duchess Kate react as they watch the women's field hockey match between Wales and Scotland at the Glasgow National Hockey Centre during the 2014 Commonwealth Games in Glasgow, Scotland on Monday.GLYN KIRK / Today

She and Prince William also watched the swimming events, where it appeared that even royalty can get overheated. Kate shed her blazer for a sleeveless top while her husband and another fan tried to help her cool off.

Kate got a helping hand with the heat from her husband and a games volunteer, who tried to create some breeze in the stands.Chris Jackson / Today

The Commonwealth Games take place every four years and features 6,500 athletes from the Commonwealth of Nations competing in a variety of events, including swimming, badminton, boxing and other sports. 

Catherine, Duchess of Cambridge, wears everything from fancy hats to casual tank tops. See how Prince William's wife can easily go from a high society affair to shopping on the streets of London.