Ballet 
To dream about a ballet represents poise, teamwork and rapport.
To dream about wearing ballet slippers shows your understanding of harmony and dignity. You are obviously self-assured and well-liked.
Ballet Shoes
Seeing a pair of ballet shoes in your dream indicates your life is off balance or your love for artistic performance. If you're a ballet dancer, your subconscious mind is focused with passion on improving your artistry. Otherwise, dreaming of ballet shoes means you should find a better balance in your waking life.
Ballerina
Are you the ballerina in your dream? If so, you are indicating a very graceful heart and the ability to find self-discipline in order to conquer a situation in your life you are anticipating with reticence.
Dreaming of watching a ballerina indicates that you are seeing a graceful aspect of yourself that you are as yet unaware you possess. Your life is going according to plan so relax and make changes gently as you see fit.
Dreaming that you are unable to stop dancing indicates that you may work too hard and expect too much of yourself at times.
Dance Class
A dance class in your dream implies the imminent release from a discouraging emotional situation. It suggests rapid growth based on prior personal development and inner fortitude, in other words, you may be about to reap the harvest of seeds sown in the past.
To dream that you are watching a dance class in progress can indicate movement into a pleasurable period of creativity.
Dreaming that you are late for a dance class belies an unconscious fear that life may be passing you by.
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