"Roc-A-Fella Billionaires" is a song by American rapper Freeway, released July 10, 2007, as the lead single from his second studio album Free at Last (2007). The song, produced by Dame Grease, features a guest appearance from Roc-A-Fella label-boss and fellow American rapper Jay-Z. Grease's production contains a sample of a version of "Big Spender", originally written for the 1966 musical Sweet Charity, by Cy Coleman and Dorothy Fields, as performed by Chita Rivera and Paula Kelly.