The world has been buzzing this week with the apparent confirmation of a romance between former Canadian prime minister Justin Trudeau and pop star Katy Perry .

But while some may find it hard to imagine what the two have in common, he is not the first politician to fall for a celebrity, or vice versa, with a host of big stars dating and even marrying elected officials.

Actresses Jane Fonda and Elizabeth Taylor, and model-turned-singer Carla Brunei are just some who have fallen for politicians, while Trudeau's father Pierre, who twice served as Canada's PM, dated several stars.

Barbra Streisand and Pierre Trudeau

Canadian Prime Minister Pierre Trudeau was a bachelor when he was first elected to the country's highest office in 1968.

A year later he embarked on a love

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