What's the name of the Tik Tok duet?

Hold back your smile and dance in pairs. According to the official investigation of Tik Tok, the duet of Tik Tok is called the smile suppression duet. Tik Tok, a short video social software with musical creativity, was hatched by ByteDance. The software was launched on September 20, 2006. It is a short video community platform suitable for all ages. Users can choose songs, shoot music works and form their own works through this software.