David got his first red carpet film interview on November 6, 2005 - there would be many more yet to come.
Harry Potter and the Goblet of Fire had it's London premiere in Leicester Square that night, alas it was in the rain.
David made a comment that he would never have an audience so big again- HAH!
It was also the last time we saw David on the red carpet not in a suit - even at the premiere of the next Potter film, Order of the Phoenix, which he wasn't in, he turned up in his red velvet!
Here's the interview: