It is so because not only that they get surprise, but because it means that they are loved by people who throw a surprise party for them. However, if you plan to make a surprise party to your loved ones, you should consider several things like the concept that can be a pajama party or just a regular party, but one thing that most people use to surprise someone is the light. Birthday is usually celebrated by having a party by is thrown by the one who is having the birthday, or by people who care for someone and want to make them happy by throwing a surprise birthday party. Some of the people considered surprise party is more memorable compared to birthday party that they set by themselves. Interior Design.