Lady Sovereign song..i dnt knw what the name?

im live in california..and i listen to kiisfm or 991 i heard a song on tose radio staion by lady sovereign..but i dnt knw what the name was i knw for sure it wasnt so human..it was a song u can dance too..and i think theres another singer in the song also..if u have an idea what the name of the song was please let me knw..thanks!! oh i heard the song in the night time..i never heard it playin during the day..