Katy Perry and Justin Trudeau's red carpet debut

Katy Perry and Justin Trudeau made their red carpet debut together at the premiere of Perry's concert film. Perry has publicly used the word 'love' to describe their relationship, which has been developing for nearly 12 months. The couple filmed themselves in a limousine on the way to the premiere, where Perry explained the difference between 'Katy cats' and 'Katy rats' to the former Canadian Prime Minister.See omnystudio.com/listener for privacy information.