"Let's Get It Started" is a song by American group The Black Eyed Peas, released as a single on June 22, 2004. The track was the fourth single released from the band's 2003 album "Elephunk" and is a re-worked version of the album's third track "Let's Get Retarded". This version was included as a bonus track on the 2004 re-issue of the album. The song interpolates part of the instrumental base of "Wannabe" by the Spice Girls (1996). It was remixed for The Black Eyed Peas' fifth studio album, "The E.N.D." as "Let's Get Re-Started". It was also featured on their remix album "".