ALBAWABA - Fans are stunned after Diplo claimed he dated both Katy Perry and Justin Trudeau. When American DJ and record producer Diplo revealed that he dated both Katy Perry and Justin Trudeau, the Prime Minister of Canada from 2015 to 2017, the internet exploded with speculation. A guest mentioned this while appearing on the Smart Girl Dumb Questions show. People who saw the video posted it all over social ...