In the United States, "Heartbreaker" was released commercially on September 21, 1999. "Heartbreaker" entered the chart at number sixty. The song became Carey's fourteenth chart-topper in the US, spending two weeks atop the
Billboard Hot 100. It extended Carey's lead as the female artist with the most number one singles in the country. Additionally, "Heartbreaker" finished at number thirty-five on the
Billboard Year-End of 1999. In Canada, the song peaked at number one on the
Canadian Singles Chart, becoming Carey's tenth chart-topper in the country. In Australia, it entered the
Australian Singles Chart at number eleven, on the issue dated October 10, 1999. The next week, the song ascended to its peak of number ten, where it stayed for one week, before fluctuating inside the chart for a total of seventeen weeks. "Heartbreaker" was certified
platinum by the
Australian Recording Industry Association (ARIA), denoting shipments of over 70,000 units within the country. In New Zealand, "Heartbreaker" was met with strong success, debuting at number four on October 10, 1999, and topping the singles chart the following week. It spent a total of eleven weeks fluctuating in the singles chart, and was certified platinum by the
Recording Industry Association of New Zealand (RIANZ), denoting shipments of over 15,000 units. In Europe, the song charted throughout several markets. In Austria, it debuted at number thirty-seven on the singles chart, eventually peaking at number seventeen. In total, "Heartbreaker" spent twelve weeks on the Austrian chart. In France, the song entered the singles chart at number seventy-seven on October 9, 1999. Eventually, it peaked at number four, becoming Carey's highest-charting single there since "
Without You" (1993), which peaked at number two. In Germany, "Heartbreaker" peaked at number nine, spending twenty weeks inside the singles chart. On October 2, 1999, it entered the Dutch
Single Top 100 at number sixteen, eventually peaking at number seven, and spending a total of eighteen weeks in the chart. In Norway, the song's success was limited, only peaking at number fourteen and spending only four weeks charting in the countries chart. "Heartbreaker" entered the
Swedish Singles Chart at number thirty, on the issue dated October 7, 1999. It charted for a total of fourteen weeks, and attained a peak of number eighteen. In Switzerland, it spent twenty-three consecutive weeks in the singles chart, attaining a peak position of number seven, where it stayed for two weeks. On the
UK Singles Chart, "Heartbreaker" debuted at its peak position of number five, during the week of November 6, 1999. It spent a total of thirteen weeks charting inside the chart, exiting on January 9, 2000. == Music video ==