Katy Perry and Justin TrudeauPop singer Katy Perry and former Canadian prime minister Justin Trudeau have once again been caught on camera looking rather cosy, months after it was first rumoured that they were dating.Back in July, the unlikely pairing were first seen together in footage published by TMZ, showing the chart-topping musician and ex-world leader dining at a restaurant in Montreal.According to the US gossip site, the two had been seen “sipping cocktails” and “sharing several dishes”