"I Want You" / "Me Pones Sexy" is the first single from the Mexican Latin pop singer Thalía's 2003 crossover studio album Thalía. The track features rapper Fat Joe and is notable for its sample of Brenda Russell's song "A Little Bit Of Love". The song peaked at number twenty two in the U.S. charts. Both songs were written by Cory Rooney, Davy Deluge, Gregory Bruno, Fat Joe, Thalía, and Brenda Russell, and produced by Cory Rooney and Davy Deluge. It seems to sample some of Still Not a Player by Big Punisher. This single is her first fully promoted in English language single. It open new markets for Thalia as Japan. The most successful single on Billboard Hot 100, being their only single that reached the Top 30 to date.
"I want You" became the only Thalia song on the Billboard Hot 100, peaking at number twenty-two. The song entried in various countries around the world but in relatively low positions. It achieved mainstream radio access in countries like Turkey, Greece, Romania, Hungary as well as in Mexico and Latin America. "I want you" met huge radio success in Japan, where it was Thalia's first big hit.