Trending on X 08/12: Katy Perry and Canadian PM Justin Trudeau officially confirmed their romance, sources saying the couple will debut at a holiday gala.

Trending on X 7/12: Elon Musk says the latest Tesla Self-Driving update may allow drivers to text in certain traffic conditions, sparking safety fears.

Trending on X 06/12: Prince Harry joked that Meghan Markle's cooking is "not as good as her mother's". #Netflix