Celebrity crib sheet : Katy Perry has spent all year in the headlines – here are the six things (…)

She made a short, and much-ridiculed, trip to space. She tried to buy a house and fell foul of public opinion. And she’s found love, apparently, with Justin Trudeau. Time to get up to speed before this singer next hits the headlines Do you ever feel like a plastic bag, drifting through the wind, (…)