The judges praised the duo for putting their own twist on the song.Kelly and Paulina felt the performance was "nice" and said they had "sexiness" to them, while Demi Lovato told them they were one of her favorite acts but questioned the future and their relationship.
Despite this controversy, the duo made it through to the live shows.Their EP As Seen on TV was released on September 30, 2016.On September 1, 2017, Alex & Sierra announced to the media that they had broken up over a year ago, and would no longer continue to make music together, but would branch out into their own solo careers.On the re-vote show, which happened due to a graphics error that nullified the votes, Alex & Sierra sang "Give Me Love" by Ed Sheeran; Cowell afterward said that the performance was "immaculate...ragged and raw." The performance earned them negative reviews; Kelly wanted them together more, Paulina called them "Bohemian" and "vintage", Demi felt that Sierra looked uncomfortable in her shoes and wanted the performance more organic, and their mentor Simon expressed disappointment over how the performance went by saying that they lost the melody in the beginning and "it wasn't as good as it should have been." Demi said that she didn't like the arrangement at first, but Alex & Sierra made her like it by the end.They recently have been featured on Gareth Emery's new album, 100 Reasons to Live, with a new song, "We Were Young", released March 31, 2016.
On August 1, 2016 they announced on their Twitter that their EP As Seen on TV would be available for pre-order on August 5, 2016 and be officially released on September 30, 2016.
Simon said that their arrangement was clever and cool and not obvious, and also praised Sierra: "You just shut up the witches of Eastwick here because that was a great, great vocal performance." They later faced off against the others in a group performance 'Cry Me A River', in which they received praise from Kelly, who said they "soared".
Their "Unplugged" song, "Say Something" by A Great Big World and Christina Aguilera (thought by many as their best X Factor performance) earned them praise by the judges; Kelly said she felt like she was watching an awards show, Demi felt that the performance was "magical", Paulina was impressed with Sierra's talent with the piano, and Simon stated that this was not only their best performance of the night but of the season.
On August 24, "Bumper Cars" was released as the third promotional single.
Two weeks later, on September 17, "Here We Go" was released as the fourth promotional single and peaked at #4 on the i Tunes singles charts.
The next day, Alex & Sierra announced the title and artwork of their debut album, "It's About Us." Along with the pre-order of the album on July 15, "Little Do You Know" was made available as a promotional single.