Do you dream with one eye open? You don't wanna lose control Do you think I'm thinking about you now And your mattress on the floor Ring, ring Your number Sorry, I'm under another I'm kinda busy right now Ring, ring I'm guessing You're thinking 'bout me undressing I'm kinda busy right now Oh-oh You're alone again Blowing up my phone again Tell me, who do you think you are? Oh-oh Playing dead again Messing with my head again Who the fuck do you think you are? ♪ Who the fuck do you think you are? Oh-oh ♪ Oh-oh ♪ Who the fuck do you think you are? Do you think you're casa nova Left on read and feeling blue How many times have you been here before 'Cause every night is Déjà vu Ring, ring Your number Sorry, I'm under another I'm kinda busy right now Ring, ring I'm guessing You're thinking 'bout me undressing I'm kinda busy right now Oh-oh You're alone again Blowing up my phone again Tell me, who do you think you are? Oh-oh Playing dead again Messing with my head again Who the fuck do you think you are? Oh-oh ♪ Oh-oh ♪ Oh-oh ♪ Who the fuck do you think you are? Oh-oh