Don't sweat it...there is a very big gap (even bigger than the one between your tie knot and shirt collar ) between looking very nice at an event to the eye of 99% of the population and what will pass as "perfect" here at Style Forum. And I actually like the tie; I would not be too excited about it for most business situations, but for a daytime festive event I think it works. And unless you were at a Park Avenue wedding, I am guessing that you were one of the best-dressed guys there. Spend some time here and the experts will help you with some of the fussier details that will really help you up your game.
This, and especially this;