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When Katy Perry is on a boat in a bikini, you pay attention. But when she’s on a boat twerking in a bikini, you will stand at attention.

The gorgeous 31-year-old was caught shaking her money-maker while on a yacht in Australia.

Related: Katy Perry sets GQ on fire

It’s always a treat when the Grammy-winning pop star shows off her amazing cleavage (which is quite often). But this particular video was a double bonus that I will not soon forget.