TikTok CEO Shou Chew plans to attend President-elect Trump's rally tonight in Washington, according to two people familiar with the event. Trump told ABC News in an interview Saturday that he's likely to grant TikTok a 90-day extension to avoid a ban in the U.S. The ban began to take place on Sunday morning.

Even if temporary, the unprecedented shutdown of TikTok will have an impact on U.S.-China relations, domestic politics, the social-media marketplace and millions of Americans who depend on the app.

Sources familiar with President-elect Donald Trump’s inauguration told USA Today that TikTok CEO Shou Zi Chew plans to attend the swearing-in on Monday.

The Supreme Court ruled on Friday, Jan. 17, to uphold a law that would ban the app for the 170 million people who use the app in the U.S. The ruling lines up with decisions other courts have made and sets up the ban to go into effect on Sunday, Jan. 19.

President-elect Donald Trump is spending the eve of his inauguration in a series of Washington events that celebrate his return to power and his “Make America Great Again” movement as he prepares to move back into the White House at a time of deep national political divisions.

Throngs of Trump supporters, many arriving from around the country, filled parties — both formal and informal — at hotels and restaurants.

Live cold open saw James Austin Johnson returning as Donald Trump, two days before the inauguration, this time talking about the TikTok ban. About an hour before the show aired, TikTok went dark as a new U.

California Democratic Sen. Alex Padilla said he will attend the 47th presidential inauguration on Monday in which President-elect Donald Trump will be sworn into office for his second term. “I do plan to be there. Of course,” he told ABC "This Week" co-anchor Jonathan Karl.

TikTok CEO Shou Zi Chew will be a guest of Donald Trump at his inauguration Monday as the popular app’s ban is set to go into effect, according to three people familiar with his plans.

When users opened the TikTok app on Saturday, they encountered a pop-up message that said, “Sorry, TikTok isn't available right now.” View on euronews

One of TikTok's top investors is billionaire Jeff Yass, Pennsylvania's richest man and a GOP megadonor. There is no indication yet whether Yass will attend Trump's inauguration.