Colorful Cupcakes - These were for a little girl's 3rd birthday. To do the color swirl, I made three separate pastry bags - one with green, one with yellow, and one with pink - and tied each up with a rubber band. No tips in these bags, just the open end. I then took the three bags and placed them all down in a large pastry bag that had a large star tip in it. Then just use like you would any pastry bag and voila! Girly swirls! Make sure to add the confetti immediately after icing the c...