Is that actually him when he was younger?

Not sure if I'm using the tags properly but I wanted to ask where I could watch it. Only thing that keeps popping in the search is his dance cover of Like Ooh Ahh 🤔

Link to the vid:
https://youtube.com/shorts/oCNv_XPXBtQ?si=KlXUU8eOjXK2VLW8