To dream of a crown represents prominence, all-powerfulness, or noticing that you are the most important. Authority or feeling that you should always come first. Believing that yours needs or wants are a priority.
To see someone else wearing may reflect a person or situation that has taken priority in your life.
Example: A man dreamed of seeing someone with tattoo on their chest and it bothered him in the dream. In waking life he was experiencing his father refusing to return they money he used to pay off his mortgage after the family home was sold while also experiencing his father choosing to show off to the family with how rich he was