"Heartbreaker" is a popular song by American singer-songwriter Mariah Carey, released in 1999. The track features a blend of R&B and hip-hop elements, showcasing Carey's vocal range and emotional delivery. It was a commercial success, reaching the top of the charts in several countries and becoming one of her signature songs. The song's lyrics explore themes of love and heartbreak, expressing the pain of a tumultuous relationship. It includes a notable collaboration with rapper Jay-Z, who adds a dynamic element to the track. "Heartbreaker" has been praised for its catchy melody and has inspired various remixes and covers over the years.