On February 8, 2015, Taylor attended the 57th Annual Grammy and presented the Best Newcomer Award. On February 15, Taylor participated in the SNL 40th Anniversary Special. On February 24, Taylor attended the Elle British Fashion Awards. On 26 February, Taylor attended the opening performance of "Blank Space" at the 35th Brit Awards and won the Best International Female Singer Award. On May 17, the 2015 U.S. Billboard Music Awards ceremony was held in Las Vegas, and Taylor Swift won the Best Album on the Billboard Album Chart with "1989" at the beginning, and won eight awards such as Best Female Singer of the Year, Best Artist of the Year, and Billboard Chart Achievement Award. On August 25, WildestDreams, the fifth single for 1989, was released, and the Billboard singles chart was ranked fifth.
In October 2015, Taylor Swift announced that he was taking the stage for the time being, and the next step was not planned.
On October 4, 2016, AT&T announced that Taylor Swift had signed an exclusive multi-year, all-round cooperation agreement with AT&T.
In February 2017, the romance movie "Fifty Shades of Black" was released in the United States, and Taylor Swift and Zehn Malik sang the theme song "I Don't Wanna Live Forever"; in the same month, participated in the 2017 Super Bowl warm-up concert; in June, Forbes magazine announced the 2017 Global 100 Celebrity List on the 12th, and Taylor Swift ranked 49th with $44 million. On August 25, Taylor Swift released the debut single "Look What You Made Me Do" from his sixth solo studio album, Reputation. The song broke the record for the fastest female iTunes artist in the United States, creating the largest gap between the second place in the history of iTunes in the United States with a ratio of 1:0.06, and accumulated to the top of the iTunes charts in 94 countries; Spotify played more than 10.12 million times on the first day, breaking the global spotify single-day playback record; breaking the radio single-day playback record and the single-week dispatch record; the lyrics version of the MV was played more than 21.78 million times on the first day. It became the most played lyrics version of the MV on Youtube on the first day; the official MV was played more than 43.2 million times on the first day, breaking the record for the number of single-day views of all Youtube videos. On November 8, Taylor won the Song of the Year award at the 51st Country Music Association Awards for BetterMan for Little Big Town. On November 10, "Reputation" was officially released, and with 1.238 million airborne Billboard album charts in the first week, Taylor broke the Guinness World Record for the first and only artist to break three consecutive million-selling albums two years ago, becoming the only singer in history to have four million-selling albums in the first week. At the same time, "Reputation" also became the number one album sales in 2017 with one week's sales.
