Rihanna wins this round.
Okay, so they're not really played at once. But this mashup of Katy Perry, LMFAO, Rihanna, One Direction, Carly Rae Jepsen, and more will make you question whether we aren't just listening to the same song on repeat whenever we turn on the radio.
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Siri beat me to it!
Someone's running around Ireland dressing Rihanna.
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