Prince William handed over the colonelcy of the Welsh Guards to Kate Middleton.
Kate gave her first speech as the colonel of the Irish Guards during the annual St. Patrick's Day parade.
A TikTok video of Kate taking a deep breath before her speech has gone viral.
The video shows Kate appearing anxious and nervous.
Prince William spoke before Kate and praised her.
Many comments praised Kate for showing her "human" and "real" emotions.
Some fans thought Kate was holding back tears during the speech.
The video received 123.8k likes and 528 shares.
The video has been viewed 5.3 million times on TikTok.