The dream about celebration indicates the accomplishments you are getting to achieve. The dream could also represent the greetings you have made to yourself for the things you have reached. Sometimes the dreams about celebration could indicate the actual celebration you are going to celebrate in your waking life. Perhaps the anxiety brings these kinds of dreams. On the other hand, the celebration could be interpreted as the desire for independence and freedom, especially if you really want to in your waking life.
Read more about dreaming of Celebration in other dream meanings interpretations.