TikTok has turned off its app for American users.MAEVA DESTOMBES/Hans Lucas/AFP via Getty ImagesTikTok has turned off its app for US users.The move comes after the company lost a legal challenge to a divest-or-ban law in the Supreme Court.The shutdown may not last forever, as TikTok hopes President-elect Donald Trump will step in.TikTok shut down its app for its US users on Saturday, shortly before the January 19 deadline ordering the app to go dark.The stoppage came after the company waged a monthslong legal battle against a law that required its Chinese owner, ByteDance, to divest from its US app or effectively cease operating in the country."Sorry, TikTok isn't available right now," a message popped up on the screen starting around 10:30 p.m.