Whos going to be at the Smurfs NY Premiere?

I am thinking of getting tickets for the Smurfs NY Premiere with my friend. No, were not babies..we didnt even see the movie. We wanna go to like see the celebrities and everything. But before me and my friend spend our money on this, do you know what celebs are gunna be there? Like besides the cast of The Smurfs? Well please answer if you know :) xo thank you