On Wednesday, Snapchat activated palm tree filters in different cities around the world that include a new lyric from the track. The Los Angeles filter unveils the lyric, "Do you feel the same as well?" while the New York filter teases, "You know I used to be in 1d (now I'm out free)" -- and now fans around the globe are currently working hard to piece together the song before its release this Friday.
Payne made the lyric scavenger hunt a little easier by tweeting out the list of specific locations where the #StripThatDown Snapchat filters appear.
Ed Sheeran, who cowrote the song, also teased his single "Shape Of You" by partnering with Snapchat to release filters that preview the track's first 30 seconds.
Payne is the last member of One Direction to launch his solo career, partly due to his recent transition into fatherhood. The singer and his girlfriend Cheryl Cole welcomed their first child together -- a baby boy named Bear Payne -- on Wednesday, March 22.
My close friends and family know there are very few times when I'm left speechless... wow! I'm incredibly happy to welcome our new baby boy into the world, it's a moment that I will never forget for the rest of my life and my favourite memory I have so far. I'm completely in awe of his incredible mother and how she has been the whole way through this, she's really made my dreams come true. We haven't named him yet but he's already capturing hearts including mine. I feel very blessed. Happy Mother's Day everyone!