Ali Zafar made his debut as a musician with the album Huqa Pani, released in Pakistan in 2003 and worldwide in 2005. The album was an instant hit, selling over 600,000 worldwide and winning several major awards and nominations. It also put Ali into the league of the most popular artists ever to have come out of Pakistan with a massive fan following locally and internationally. It was described by [[Indians] as "take a Kishore Kumar-like voice, club it with yuppie Ibiza-ish electronic beats, and add a bit of nostalgic lyrics".
His comparison to Kishore Kumar has been frequently made; in one interview Zafar, asked about the vocal resemblance, remarked "you're the lucky hundredth person to tell me that".
Ali won award for "Best Album" category at the Lux Style Awards in 2004 for his massive hit album Huqa Pani In addition to the album's popularity being reflected in the shops and by critics, it has been widely claimed that Himesh Reshammiya plagiarised one of the most well-known tracks from the album, Rangeen, for the song Dillagi Mein Jo . Soon Pritam too copied his track "Chhano" as "Choreen ki Baatein"(Fightclub).
Ali Zafar launched his second album "Masty" nationwide in Pakistan in November 2006. He has since released four tracks from the album called "Masty", "Sajania", "Dekha" and "Aasman". A press conference for the release of the album was held in Lahore. The album has been released by Fire Records.
Ali Zafar released his second album "Masty" in India in February 2007. The album contains two additional remix tracks and has been launched by "FrankFinn Records".
Ali recently released his third and long awaited single, "Dekha", off his second album, which was the most expensive music video of Pakistan costing more than seven million rupees but song was a failure on charts, video was shot in Malaysia, produced by the Lux Company, and has the famous Pakistani actresses/models, Reema Khan, Meera, and Amina Haq, starring in it.
Ali has a multitalented personality besides a singer, painter, model and an actor, he proved himself as a good music director and producer by directing and producing his music video "Ek Pal" from his first album Huqa Pani which was a big hit nationwide.