The announcement sent "Wildest Dreams" to the top of the real time Billboard + Twitter Trending 140 chart.
Taylor Swift Talks Rumored Kanye West Collab, Dating Mistakes With 'Vanity Fair'
The single follows her four previous singles from 1989 -- all of which reached the top 10 of the Billboard Hot 100 chart: "Shake It Off" (No. 1 for four weeks), "Blank Space" (No. 1 for seven weeks), "Style" (No. 6) and "Bad Blood" (No. 1). All four of those tunes also topped the Pop Songs airplay chart.
1989 has sold 5.1 million copies in the U.S., according to Nielsen Music and was 2014's best selling album (with 3.7 million sold last year). It is also 2015's best seller, so far, with another 1.4 million moved this year.