"Love Don't Cost a Thing" was released as the album's lead single on December 2, 2000, reaching number 3 on the US "Billboard" Hot 100 and number one on the UK Singles Chart. The album's second single, "Play", reached the top twenty in most countries, including the United Kingdom where it reached number three. "I'm Real" was serviced to radio as the album's third on June 19, 2001. To further its success, record executives at Epic recruited Ja Rule of Murder Inc Records to create a remix of the song, "I'm Real (Murder Remix)". The remix, which featured Ja Rule, shifted Lopez's musical style from pop to a more hip hop and urban-oriented sound. It was the number one song in the United States at the time of the September 11 attacks for five non-consecutive weeks. "Ain't It Funny" was released as the album's fourth and final single on June 20, 2001. The album has sold over 8 million copies worldwide.