Katy Perry: One of the Boys

LP Record One of the Boys is Katy Perry's debut studio album. Released on 17 June 2008, the album debuted at number nine on the US Billboard 200 chart. It has since been certified platinum by the Recording Industry Association of America (RIAA) for shipping one million copies in the United States. The album produced three singles – "I Kissed a Girl", "Hot n Cold", and "Walking on Air" – all of which reached the top five on the US Billboard Hot 100 chart.