Katy Perry's first mainstream studio album One of the Boys followed later that year and subsequently became the 33rd-best selling album worldwide of 2008.It was accredited platinum certification by the Recording Industry Association of America, while "I Kissed a Girl" and her second single "Hot n Cold" both received multi-platinum certifications. The recording earned two nominations Grammy Awards. In 2009, Billboard magazine named her the 51st-best-selling music artist of the 2000–2009 decade.
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