Justin Trudeau jumps & dances in BTS clip of Katy Perry's new music video, gets trolled

Singer Katy Perry shared a behind-the-scenes clip from her new music video 'Watch It Burn'. In the video, her boyfriend and Canada's ex-PM Justin Trudeau made an appearance, which has now gone viral. Trudeau was seen jumping and dancing in the clip. People trolled him, with one saying, "13 going on 54? At least he found what he's good at."