premise: Bad Romance only sold copies in Australia.
hypothesis: Bad Romance . In the United States , `` Bad Romance '' peaked at number two on the Billboard Hot 100 , and it has been certified eleven-times platinum by the Recording Industry Association of America ( RIAA ) , having sold 5.6 million digital downloads as of April 2016 . It achieved worldwide success by topping the charts in a variety of markets , ultimately selling 12 million copies worldwide , thus becoming one of the best-selling singles of all time .