Six singles were released from "PCD". "Don't Cha" was released as the lead single from "PCD" in April 2005, and peaked at number two on the US "Billboard" Hot 100 and remains their most successful single to date becoming one of the best-selling singles of all time. Follow-up singles "Stickwitu", "Beep" and "Buttons" also performed well on charts internationally with all four of them reaching atop the New Zealand Singles Chart. Other singles include "I Don't Need a Man" and "Wait a Minute", which gained notable success in numerous countries.