 She was voted the Top Female Singer (UK) by the readers of the "New Musical Express" in 1964 to 1966 and Top Female Singer in 1965 to 1967 and 1969.Of the female singers of the British Invasion, Springfield made one of the biggest impressions on the US market, scoring 18 singles in the "Billboard" Hot 100 from 1964 to 1970 including six in the top 20.The music press considers her an iconic figure of the Swinging Sixties.