fans discovered that Kate Middleton says "woo" when she wins a game to express her excitement.

Kate's fans on TikTok put together a video of her "lil habit" and shared it.

In the video, Kate does the habit after playing soccer, rugby, and table tennis.

Fans think Kate's habit is cute and are happy to see a different side of her.

Kate does this after sports. She is one of the most athletic British Royals.

Kate has been seen skiing, archery, racing, sailing, playing soccer, cricket, golf, and tennis, among other things.

The video has become very popular on TikTok, and it shows a more playful side of Kate.

This habit has helped change how "wooing" is seen. Before, it was seen as a bad thing.

Kate's habit shows that it's okay to show excitement and be happy about wins.