"Look What You Made Me Do" is a popular song by American singer-songwriter Taylor Swift. It was released in 2017 as the lead single from her sixth studio album, "Reputation."

"Look What You Made Me Do" is a dark and edgy pop song with elements of electropop and dance-pop. The song's lyrics are introspective and confrontational, with Taylor Swift addressing the public's perception of her and her experiences with media scrutiny and public criticism. The song's title serves as a defiant response to those who have contributed to shaping her public image.

The song was written by Taylor Swift and producer Jack Antonoff, with production by Antonoff and Swift. It features Taylor Swift's distinct vocals, showcasing a more mature and assertive side of her artistry.

Upon its release, "Look What You Made Me Do" received significant attention and polarized opinions from both music critics and audiences. It became a commercial success, debuting at the top of various music charts worldwide, including the Billboard Hot 100.

The music video for "Look What You Made Me Do" premiered during the 2017 MTV Video Music Awards and features Taylor Swift in various iconic and symbolic scenes, depicting her transformation and embracing different personas from her past music videos and public image. The video's visuals complement the song's themes of reinvention and self-empowerment.

"Look What You Made Me Do" marked a departure from Taylor Swift's previous musical style, showcasing a more assertive and unapologetic side of her artistry. Its catchy chorus, memorable hook, and intriguing music video created a buzz and became a talking point among fans and critics alike.

Overall, "Look What You Made Me Do" represents a pivotal moment in Taylor Swift's career, highlighting her ability to reinvent herself and address the controversies surrounding her public persona through her music. The song's commercial success and bold statement further solidified Taylor Swift's status as a prominent and influential figure in the music industry.