Birthday is one of the most celebrated day that most people have in their lives. They celebrate birthday to appreciate their lives and one of the way to express their gratitude that they are born and for all the blessings in their lives. So, you can at first turn every lamp off, but instead of suddenly turn the lights back on, you can turn a decorated lamp at first that will make the effect more dramatic. The lamp decorating can be decorated on a tree or on the wall with various color of light. After the candle is blown, than you can turn the lights back on again. Interior Design.