"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Every year, the world gifts us at least one extremely confusing and unexpected celebrity relationship ...

Sweaty weather is still on track for much of the weekend.

Amid what seems to be a budding romance between Katy Perry and Justin Trudeau, here's what we know about the former Canadian prime minister's past personal life. (Photo illustration: Yahoo Canada; ...