Specific steps:

1. Find the Tik Tok application on your phone and click Open.

2. After opening Tik Tok, click the plus sign below.

3. Then you will enter the Tik Tok shooting page.

4. Select props on the shooting page.

5. Click on the popular option.

6. Then slide down the page and find the wedding special effects as shown in the figure below.

7. Then there will be a lot of light spots in the shot picture.

8. Then aim the camera at the portrait, and the special effects of the wedding dress will appear.