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Katy Perry and Justin Trudeau just made their rumored romance officially undeniable as the pair were spotted locking lips aboard the singer's yacht ... and sparks were flying on the high seas.

In photos published by the Daily Mail Saturday, the singer was seen rocking a sleek black one-piece swimsuit while sharing a passionate kiss with a shirtless Trudeau who kept it casual in just a pair of jeans aboard Perry's yacht. Play video content

The steamy shots show the former Canadian Prime Minister cradling Katy's backside as they embraced on the upper deck while another captures her with her arms wrapped around his neck as he nuzzled her cheek.

According to eyewitnesses, the PDA went down off the coast of Santa Barbara in late September and apparently caught everyone by

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