He reached judges' houses in 2013, but Louis Walsh eliminated him.In week 5, Akister was in the bottom two with Jay James and sang Clown in the final showdown.
However, once again, voting statistics revealed that Faustini had received the fewest public votes meaning if there wasn't a Final Showdown or if Cowell sent the result to deadlock, Platt would have been sent through to the final and Faustini would have been eliminated.
After reaching the final, he finished in third place in the competition.
He was in the bottom two with Stevi Ritchie in week 7, but was saved after only Simon Cowell voted to send Ritchie through to the quarter-final but Mel B, Cheryl Fernandez-Versini and Louis Walsh all voted to send Faustini through to the quarter-final.
However, after the series ended, voting statistics confirmed that Ritchie had received more votes than Faustini meaning that if Walsh sent the result to deadlock, Ritchie would've been sent through to the quarter-final and Faustini would have been eliminated.
He is recognisable for doing acoustic versions of famous ballads or pop songs.
Walton was not initially through to the live shows, but Cowell brought him back as the Boys' wildcard.
Big The Musical, which premiered in 1996, will open at Plymouth’s Royal Theatre on November 5 before transferring to Bord Gais Energy Theatre over Christmas ahead of a West End run next year.
Songs by David Shire and Richard Maltby will feature in the show and the choreography comes from Morgan Young.
The six candidates at judges' houses were: Kerrianne Covell, Chloe Jasmine, Emily Middlemas, Stephanie Nala, Lauren Platt, and Lola Saunders.
Fernandez-Versini chose: With the eliminations of Stephanie Nala and Chloe Jasmine in week two and Lola Saunders in week four, Platt was Fernandez-Versini's last remaining act in the competition.
The 24-year-old, who studied at Westholme School in Blackburn, will play the role of love interest Susan Lawrence in the musical adaptation of the 1988 film starring Tom Hanks.