Ella has been hard at work in the recording studio since her 2012 stint on the ITV talent show, and now it seems like the graft is finally paying off.
Teaming up with One Republic's Ryan Tedder to co-write lead single 'Ghost', 18-year-old Ella has already received positive reviews for the catchy record.
Ella's boss, music mogul Simon Cowell is impressed too, recently telling fans on Twitter: "I really think she is going to be a big star. Her debut album is stunning."
Now speaking in this month's issue of Wonderland Magazine, Ella explains that she learnt to take charge of her music and create her own identity by being "open and honest".
"I don't want to copy anyone, I didn't want to do a retro record," she said. "I wanted to do something new, and fresh."
"In the beginning I was open to anything, but you figure out what your sound is and when you go into sessions there's certain things you have to be open and honest on," she continued. "When it comes to my music, when it's your job, you can be cutthroat about things."
Speaking about her collaboration with One Republic frontman Ryan - who has wrote and produced tracks for the likes of Adele, Beyoncé and Leona Lewis - Ella said: "I wanted to make this big record and have it played worldwide, and he knows a special formula to write songs like that."
'Ghost' is due out for release on 8 June.
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Watch the music video for 'Ghost' below: