Gilbert may have started it but Steph's been doing it for a while too: https://www.youtube.com/watch?v=lNHQOzfSgcI
The one from the All-Star Game is cold blooded: DWade, AI, & Reggie Miller loved it on commentary: https://www.youtube.com/watch?v=FNYw9BzIpLk
Ahh I see what you mean. That would be wild if he does.