It's kind of hard to believe that the day has arrived already, but here it is, and David is 21 now! Pretty awesome, isn't it? I feel really honored to have been able to follow his journey, and it's amazing to see how far he's come.

We're trying to trend #Happy21stDavidArchie on twitter all day, so if you're online, feel free to join in! Anyone who likes his music is welcome. :)

Oh, and by the way, if anyone is wondering what he did on his last day as a 20-year-old…