專輯：蛇蠍美人 - 豪華魅惑特典 (Femme Fatale - Deluxe Version) 歌曲：Up N' Down (天翻地覆) 作詞：Shellback、Max Martin、Savan Kotecha 作曲：Max Martin、Savan Kotecha、Shellback Down n' up n' down n' up n' down n' up n' down Down n' up n' down n' up n' down n' up n' down I got all tricked out and I came up to this thing Looking so fiery hot a twenty out of ten I saw you watching me watch you on the floor Hitting me up like whatchu waiting for It's alright to say you want it Get inside my dirty mind Burns like ice the way I bring it again and again and again all night The beat just dropped and the room got sexy You're watching me like there's no one else around I know you want me like kids want candy So keep watchin' me go down n' up n' down Down n' up n' down n' up n' down n' up n' down Down n' up n' down n' up n' down n' up n' down All of them girls you with are probably hatin' me But I don't care because I know its jealousy They see me on your lap they think I'll give it up But I ain't easy just not afraid to rush It's alright to say you want it Get inside my dirty mind Burns like ice the way I bring it again and again and again all night The beat just dropped and the room got sexy You're watching me like there's no one else around I know you want me like kids want candy So keep watchin' m go down n' up n' down Down n' up n' down n' up n' down n' up n' down Down n' up n' down n' up n' down n' up n' down Down n' up n' down Down n' up n' down n' up n' down n' up n' down Down n' up n' down n' up n' down n' up n' down I can almost feel my lace Slippin' off cause of the bass I can tell thats what you're trippin' on trippin' on tri tri tri trippin' on I can almost feel my lace Slippin' off cause of the bass I can tell thats what you're trippin' on trippin' on tri tri tri trippin' on The beat just dropped and the room got sexy You're watching me like there's no one else around I know you want me like kids want candy So keep watchin' me go down n' up n' down Down n' up n' down The beat just dropped and the room got sexy You're watching me like there's no one else around I know you want me like kids want candy So keep watchin' me go down n' up n' down Down n' up n' dow