EntityQ1507073· pop 10· linked from 358 articlesNo AirSign in to savesingleConnectionsBillboard chartsEntityBillboardEntitySony MusicCompanyUK Singles ChartEntityUltratopEntityRecorded Music NZOrganizationAustralian Recording Industry AssociationEntityAssociation of Hungarian Record CompaniesOrganizationPop AirplayEntityGfK Entertainment chartsEntityNew York CityCityYouTubeConceptguitarEntitypianoEntityInternational Standard Book NumberEntitydrumEntityCommonwealth of Independent StatesEntityKaty PerryPersonpop musicEntitycompact discEntityCategories19 Recordings singles2000s ballads2008 singles2008 songsCertification Table Entry usages for AustraliaCertification Table Entry usages for CanadaCertification Table Entry usages for DenmarkCertification Table Entry usages for GermanyCertification Table Entry usages for New ZealandCertification Table Entry usages for NorwayCertification Table Entry usages for Sweden