Signature refers to the signature of ordinary people. If you mean autograph by a star, use the word autograph. May I have your autograph? Examples and usage 1. He collected the signatures of many famous movie stars. He collected the signatures of many famous movie stars. 2. Some people are annoyed and ask if there are any movie gifts to send, and can you help them get star signatures. Some people are very annoying. They called for gifts or asked me to help them get the artist's autograph.