Justin Trudeau was feeling the sparks at Katy Perry‘s concert in Montreal, with the former Canadian prime minister passionately belting along to the pop star's performance of "Firework" while in the ...

The smash ending to a smash day in Washington, D.C. Wednesday was Katy Perry singing “Firework” as, appropriately enough, fireworks went off around the Washington Monument behind her. Many, many ...

While looking for juicy celebrity gossip to distract you from the nauseating anxiety of today’s election, it became pretty immediately clear that the rich and famous are sticking with gratuitous “I ...

Pop star Katy Perry and former Canadian prime minister Justin Trudeau were spotted holding hands during a public outing on ...

Martha Stewart remains the queen of shade. The lifestyle maven mercilessly mocked Katy Perry’s Blue Origin space flight in an Instagram post Thursday. Stewart, 83, posted a 2007 video of herself ...