Tik Tok, happy birthday. Will there be cake?

There will be no cake special effects when brushing the phrase "Happy Birthday", but there will be fireworks special effects when chatting with others to send a happy birthday.

Tik Tok special effect: 1. Open Tik Tok App, click the plus button, press enter to shoot video, and then click the checkmark to confirm; 2. Click the "Special Effects" button at the bottom, select the special effects to be added, and press and hold to add and preview them in the video; 3. Click "Save" to preview the overall effect of the video, and click "Next" to publish.