Millions of TikTok users in the United States are no longer able to watch videos on the social media platform.

TikTok users are hoping that Donald Trump will save the app after he’s inaugurated on Monday – but his relationship with TikTok hasn’t always been so straight forward. The 170 million people who use the app in the US are hoping they might not have to wait all that long to see the app reinstated after it went down – a development which sent users

The video app that once styled itself a joyful politics-free zone is now bracing for a nationwide ban and pinning its hopes on President-elect Donald Trump.

TikTok went dark for users across the U.S. late Saturday as the app notified users of a ban that went into effect just days before President-elect Trump's inauguration.

U.S. officials have long feared that the widely popular short-form video app could be used as a vehicle for espionage.

As a potential TikTok ban looms, here's how President-elect Donald Trump views banning the app, and how his stance, has changed.

"I cannot profess the kind of certainty I would like to have about the arguments and record before us," writes Justice Gorsuch.

TikTok on Friday said that it would turn off more than 170 million Americans’ access to the super popular video app on Sunday, unless President Joe Biden’s administration acts urgently to assure the company it will not be punished for violating the terms of its looming ban.

The Chinese-owned company said it would cut off its services unless the U.S. assures Apple, Google and other companies that they would not be punished for hosting and distributing TikTok.

Trump spoke to NBC News’ Kristen Welker in an exclusive phone interview Saturday, discussing his plans on what to do about the popular social media app.

After TikTok said it would be "forced to go dark" on Sunday unless the White House took action, President-elect Trump told ABC News he'd be likely to grant the social media company an extension.

With the Supreme Court and Biden administration declining to step in, and Trump not saying exactly what he'll do, TikTok appears poised to shut down on Jan. 19. Here's what we know.