After winning The X Factor, Fatin released her winner's single "Aku Memilih Setia", which debuted at number one on iTunes Indonesia.
In 2012, Fatin auditioned for the first season of X Factor Indonesia with the song "Grenade", originally sung by Bruno Mars.
She amazed the judges in her audition and received a lot of positive feedback among social media users, advancing to the next round.
She later advanced to the Finale round, in which she performed "Katakan Tidak" (with Afgansyah Reza), "Stay", and her Winner's Song, "Aku Memilih Setia".
[12] On 24 August 2013, Fatin with Novita Dewi performed in RCTI's 24th-anniversary television special, X Factor Around the World, along with Samantha Jade, Jahméne Douglas, The Collective, and Melanie Amaro.
[16] In September 2013, Fatin appeared in her film debut titled 99 Cahaya di Langit Eropa and sang for this movie's soundtrack.
[18] On 10 November 2013, one day before Fatin released her debut album, Fatin got awards "Most Shining Stars 2013" from Tabloid Bintang along with other artist, such as Raisa Andriana, Reza Rahadian, JKT48, Joe Taslim, Maudy Ayunda, Caisar, Deddy Corbuzier, Coboy Junior, and couple Arie Untung & Fenita Arie.
[21] In this album, Fatin collaborated with Swedish songwriter and music producer, Gustav Efraimsson,[22] and Australian songwriter/producer, Hayden Bell.
[23] On 22 November 2013, Fatin released her new music video titled "Cahaya Di Langit Itu" on YouTube.
On that show, Fatin collaboration with Kevin Aprilio, Mikha Angelo, Al Ghazali, New Kingz, and Gamaliel.
[29][non-primary source needed] On 20 January 2014, Fatin appeared on Konser KFC Adu Bintang 2 alongside Indonesian musicians such as Ahmad Dhani, Indra Lesmana, Krisdayanti, Titi DJ, Ruth Sahanaya, Marcell Siahaan, Bunga Citra Lestari, Mulan Jameela, Ari Lasso, Judika, Sammy Simorangkir, and Mike Mohede.
[31] On 21 January, Fatin attended 2014 Dahsyatnya Awards and performed "Aku Memilih Setia" alongside Citra Scholastika.
[35] On 19 June, Fatin appeared on 2014 Anugerah Musik Indonesia and performed "Aku Memilih Setia" alongside Repvblik.
Fatin starred alongside two big names in Indonesian film industry, Mathias Muchus and Fauzi Baadila.