Dead & Company will celebrate the Grateful Dead's 60th anniversary with concerts in San Francisco Aug. 1-3. You can watch Sunday in IMAX.

The lines wrapped down several blocks outside San Francisco's Golden Gate Park Friday, as Dead and Company fans anxiously waited to see the band take the stage.

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 audience Wednesday night (July 30).

Days after Katy Perry and Justin Trudeau were spotted dining together, the former Canadian prime minister attended the "Teenage Dream" crooner's sold-out concert in Canada.