1. Photo or poster: You can prepare a photo or poster of your favorite star and ask the star to sign it. This is usually the most common way to get a star signature.

2. Blank paper or notebook: You can also prepare a blank paper or notebook for the stars to sign. This practice may be more personal, because the star's signature will not be cut or copied.

3. Items: If you have an item used by your favorite star, such as a dress, a scarf or a hat, you can prepare this item and ask the star to sign it. This way will be even more special, because you have a precious item related to the star.

No matter which way you choose, remember to prepare a writing tool such as a signature pen or a signature pen for the star to sign. At the same time, we should also respect the time and privacy of stars, and don't pursue signatures too much to affect their normal work and life.