Taylor Swift finally announced her upcoming studio album, The Life Of A Showgirl, on August 12. Along with the album announcement, the pop singer dropped a playlist on Spotify titled "And, baby, that’s show business for you." This playlist has 22 songs, all of which are produced by Max Martin and Shellback.This information has led to speculation among fans, with many assuming that Jack Antonoff may not be involved in Taylor's upcoming project. For the unversed, Martin and Shellback are Swedish record producers who have produced and written tracks for several artists, including Ariana Grande, Adam Lambert, Usher, Avril Lavigne, Britney Spears, Maroon 5, and Adele.In 1985, Max Martin joined Swedish band It's Alive and also became their frontman. His first production was with Denniz PoP on the song Wish You Were Here in 1994.Max Martin has been part of many song productions, including It's Gonna Be Me, Last Friday Night (T.G.I.F.), Hold It Against Me, We Are Never Ever Getting Back Together, Save Your Tears, and We Can't Be Friends (Wait for Your Love), to name a few.Shellback, who had often collaborated with Martin, started his career as a heavy metal guitarist. Apart from Martin, Shellback had also worked with Benny Blanco. He has produced several songs to date, like Wish You Were Here, If U Seek Amy, Whataya Want from Me, DJ Got Us Fallin' in Love, I Wanna Go, and We Are Never Ever Getting Back Together, among others.The last time Taylor Swift collaborated with the duo was in 2017 on her album Reputation. As of the writing of this article, there is no official confirmation about the details surrounding the next album.89th Annual Academy Awards Nominee Luncheon - Arrivals - Source: GettyMax Martin and Shellback had been involved in a lot of hit projects of Taylor Swift over the past few yearsAs previously mentioned, the iconic duo had worked with Taylor Swift in the past and had created some of her most popular songs to date. According to reports by Prestige, dated October 2024, many songs by the pop singer include Martin's involvement, and they have turned out to be massive hits.While talking of these hits, it would be worth mentioning Taylor's 2014 track Shake It Off. The outlet reported that this had been one of the most successful songs produced by Max Martin and Shellback. This song topped the US Billboard Hot 100 chart and remained there for about four weeks.Another popular project that involved Martin and Shellback was Taylor's 2012 song We Are Never Ever Getting Back Together. The outlet reported that this song holds the Guinness World Record for the Fastest Selling Single in Digital History. While debuting on no. 72, the song soon climbed to the top of the US Billboard Hot 100 chart.Martin was applauded for his work on Taylor's 2017 song Delicate. In May 2024, during her The Eras Tour show in Stockholm, Taylor gave a shoutout to Martin, who was in the audience. She said:"Max is actually here tonight, but he's a shy genius so I'm not going to bring him out onstage but I am going to what I am calling the ‘Max Martin Medley,'"Taylor Swift might be collaborating with Max Martin & Shellback (Photo via X/@chartstswift)If Taylor Swift collaborated with Shellback and Max Martin this time, it would be after a long hiatus. Recently, she has been collaborating with Jack Antonoff, her long-term friend. Fans are eager to learn more about the upcoming project and all the surrounding details. The announcement of the album name happened on Travis Kelce's podcastA countdown for 12:12 a.m. ET was first set on Taylor Swift's official website. Meanwhile, Travis Kelce had also reportedly revealed that he would have Taylor as the guest on his podcast this week. The title of the upcoming album was revealed on the podcast by the Blank Space singer.The clip capturing the moment had been uploaded to social media platforms. Taylor Swift's last album, The Tortured Poets Department, was a major hit, and fans are excited to see what the upcoming project has in store.Taylor Swift announced her album, (Photo via Instagram/@newheightshow)The new album's theme remains unclear. The Guardian's deputy music editor, Laura Snapes, told BBC Radio 4:"There might be something about the situation with her former label..."The release date is yet to be revealed; however, it is speculated that the physical items will be shipped by mid-October.