Taylor Swift fans have used TikTok to form a community, make extra money and stream her Eras Tour concerts. Now it may go away.

The U.S. Supreme Court upheld on Friday a law banning TikTok in the United States on national security grounds if its Chinese parent company ByteDance does not sell the short-video app by Sunday, as the justices in a 9-0 decision declined to rescue a platform used by about half of all Americans.

Unless a American buyer for TikTok can be found, the ban will take effect on Sunday. The 23-year-old phenom is joining Shohei Ohtani and Yoshinobu Yamamoto on the Dodgers. Holly Holm has plenty of options as she enters free agency for the first time in more than a decade.