Tay’s tweet is a reaction to an alleged tweet in Siwa’s “likes” history calling the “Sucker 4 Green” star “pathetic” and a “meme.”
The pop star has more than 100 million admirers on Instagram.
"Please watch how you talk to and about people on the internet. Bye," she wrote.
The social media platform "will aggressively work on raising the market awareness" in the United States in 2024, says its president, Joon Choi.
The latest social break comes after a flurry of speculation about her secret exchange with Taylor Swift at Sunday's Golden Globes.
A new project from Timberlake would mark his first since 2018's Man of the Woods.
The track hails from Lopez's upcoming album, This Is Me ... Now.
The open call comes amid Jeff Schroeder exiting the band in October after 16 years.
Kesha's most recent album, Gag Order, was released in May.
"I'm incredibly proud of this show and grateful for all the support and love after opening weekend. See you soon."