Surprise, surprise is a common phrase used to express astonishment or disbelief. However, there are several other synonyms that can be used to convey the same feelings. For example, the word 'shock' is a perfect alternative to 'surprise' and is often used to describe a sudden, unexpected event or news. Another synonym that can be used is 'amaze' which is a more positive version of surprise and describes feeling impressed or awed by something. Other synonyms for 'surprise, surprise' include 'astound', 'startle', 'stun', 'catch off guard' among others. These similar words can help to add variety and interest to your writing, and allow you to express your emotions in a more powerful way.