Wait, you're telling us that's NOT Prince William?!?!
Oh Prince Harry, you are such a jokester and we love it! A handsome man should always come with royalty and a sense of humor!
Here's what sources are saying happened:
"He thought it would be a bit of fun and give his brother a laugh. He hadn't planned to wear the mask but had spotted it on another runner and borrowed it. It took everyone by surprise but he thought it was a real hoot and would make his brother laugh."
We guarantee it did! Made us laugh for sure!
Plus it only took him 8 minutes and 32 seconds to complete the race! That's a pretty fast mile!
[Image via Getty Images.]