"Toxic" is a popular song sung by American pop singer Britney Spears. The lyrics of the song are written by Cathy Dennis, Christian Carlsson, Pontus Winnberg, and Henry Joe Burke. The music is produced by Bloodshy & Avant is responsible. It was included in Britney’s fourth studio album "In the Zone", which was released on January 13, 2004, by Jive Records as the second wave of singles in the album.

"Toxic" is ranked 9th on the Billboard Top 100 singles chart in the United States and is Britney Spears’s fourth single to make it into the top 10 of the chart. It also won Canada, Hungary, Ireland, the United Kingdom, Norway, and Sweden. Champion of music charts in six countries. In 2004, "Toxic" became the fifth highest-selling single in the world with a sales volume of 5.28 million. In 2005, "Toxic" won the 47th Grammy Awards "Best Dance Recording" award.

"Toxic" is a song written by Cathy Dennis, Christian Karlsson, Pontus Winnberg, and Henry Jobok to Kylie Minogue. When they finished writing the song and prepared to sing it to her, the latter refused. So they gave this song to Britney Spears, Bloodshy & Avant produced new music for Britney Spears, and Thomas Lindbergh was responsible for the bass part of the song. Finally, "Toxic" was recorded in Murlyn Music Group in Sweden and Record Plant in Hollywood.