“The Best Part of Me Was Always You” is a song by American country music artist Taylor Swift, featuring Brendon Urie of Panic! at the Disco. It was released on October 25, 2019, as the second promotional single from Swift’s seventh studio album, Lover. The song is a piano ballad that expresses the feelings of a woman who is struggling to come to terms with the end of a relationship. Swift has said that the song is about her ex-boyfriend, actor Joe Alwyn.
The song was a commercial success, reaching the top 10 in several countries, including the United States, Canada, and the United Kingdom. It was also nominated for a Grammy Award for Best Country Duo/Group Performance. The song has been praised for its honest and relatable lyrics, as well as Swift’s and Urie’s vocal performances.