KATY ROARS BACK THANKS TO JUSTIN

Pol lifts pop star after downturns

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The Roar singer is enjoying her romance with Justin

FIREWORK singer Katy Perry is bouncing back from personal and career setbacks — and bragging that hunky new beau Justin Trudeau is her lucky charm, sources say.

The pop star, 41, and Canada’s former prime minister, 53, were first linked in July after they were snapped on a cozy dinner date in Montreal.

“They’re still in the honeymoon phase, and Katy is the first to admit that she’s addicted to new beginnings. But there’s no denying that he’s given her a huge boost,” an insider notes. “All the things that were dragging her down just don’t seem to matter to her since he came into her life.”