"Addicted to You" is a song by Hikaru Utada, released as her fifth overall single (4th Japanese-language), released on November 10, 1999. It sold 1,784,000 copies and hit number one on the Oricon charts for two consecutive weeks, selling 1,067,510 in its first week. It was her breakthrough single into Japan being the second highest first week sales in Japan of all time only behind Mr. Children's 1996 single "Namonaki Uta". The single was produced by Jimmy Jam and Terry Lewis for Flyte Tyme Productions. In addition, the cover photos of the single were taken by the late legendary photographer, Richard Avedon. It currently holds the record for the third-highest one-week sales in Japan. This is Japan's 39th best selling single.
Addicted to You was the CM song for Sony's Media & Battery Red Hot Campaign, and there were even limited edition MD's released with Utada's name on them. Two versions were on the single, the Up-In-Heaven Mix and the Underwater Mix, though only the Up-In-Heaven Mix had radio play and its own PV. Produced & arranged by Jimmy Jam and Terry Lewis for Flyte Tyme Productions. This single reached #1 on Oricon charts and charted for 16 weeks. Addicted To You was the #6 single of 1999 in Japan, as it had sold 1,290,000 singles by this point. Strangely, Addicted To You also became the #48 single of 2000, as into 2000 it sold 493,960 units. If the single were released earlier in 1999 or in 2000, it could have made the #2 spot easily in either of these yearly charts. This single reached #27 on World Charts for single airplay, and reached #48 for sales. The most recent figures (May 26, 2006) show that the single sold 1,784,050 units total, making this Utada's most successful single of all-time.