A statement issued by Chloe's spokesperson to The Mirror suggests it's not a permanent split, and instead the couple are taking some time apart to focus on work.
The rep said: "Chloe and Stevi are taking a break due to busy work schedules."
Neither Chloe nor Stevi have referenced the split on Twitter and they are both still using images of each other on their individual Twitter accounts.
Their separation comes as a surprise as just four days ago they were pictured enjoying a date night in London and looking as happy as always. And in March they were snapped on a PDA-filled break in Marbella.
They met on X Factor in 2014 and struck up a romance, which led to an engagement the following year. They appeared on Celebrity Big Brother in August 2015 as one contestant and finished in fifth place.
Speaking to Chloe in the CBB house in September, Stevi had said: "We were asked to do this as a couple and I had a lot of doubts. It's a big risk. It could either make or break your relationship but you know what for me I thought it would break us but it has made us a lot lot stronger.
"I just love you more and more each day. I wake up next to you, even the smell of our breaths don't matter, even without the make-up and all the glitz and glam of you. I just love waking up to you and I just can't wait until I get married to you and hopefully have a little bubba."
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