The former ‘Xtra Factor’ presenter had been dating music manager Jack for over a year, though it’s now believed that they’ve decided to go their separate ways.
“It came to a natural end and was a mutual decision that they both agreed was for the best. No one else is involved on either side.
“Jack has been away so much because he’s very successful and Caroline is so busy with work.
“But she’s still very close to Jack — there isn’t some nasty fallout or dark secret.”
Caroline has impressed the judges during this year’s series of ‘Strictly’, and over the weekend she secured her place in the semifinals, topping the leaderboard.
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Caroline and Pasha have topped the leaderboard on a number of occasions
According to show sources, Caroline’s break-up actually took place ahead of the shows.
“Caroline tried so hard to make it work but that’s pretty tough when you’re having to spend 12 hours every day rehearsing your routines.”
Caroline isn’t the first celeb to fall victim to the ‘Strictly’ curse, and in recent years the likes of Susanna Reid and Rachel Riley have both ended relationships during, or shortly after, their time on the show.
Rachel - who is now dating Caroline’s partner Pasha - has previously addressed her break-up, insisting that the romance did not develop during rehearsals.
"‘Strictly’ was something I really enjoyed doing, but it wasn’t the cause of anything,” she stated. “On ‘Strictly’, you form a close bond with your partner, but there was nothing romantic when Pasha and I were dancing. It was just dancing.”
'Strictly' Curse Victims
Rachel Riley(01 of10)
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The 'Countdown' presenter announced her split from her husband just weeks after her stint on the show. Earlier this year, it was confirmed that Rachel and her partner Pasha Kovalev are dating, however, she remains insistent that 'Strictly' had nothing to do with her marriage split. (credit:Joe Giddens/PA Archive)
Sunetra Sarker(02 of10)
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Sunetra split from her husband of 10 years just before filming for the 2014 series began. (credit:Eamonn M. McCormack via Getty Images)
Susanna Reid(03 of10)
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Susanna's marriage ended in February 2014, weeks after she finished as a runner-up in the competition. Susanna is still living with her ex, Dominic Cotton, and their two children. (credit:Ian West/PA Archive)
Caroline Flack(04 of10)
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Flackers and boyfriend Jack Street have called time on their relationship, according to reports. The former 'Xtra Factor' presenter dated the music manager for 18 months. (credit:Danny Martindale via Getty Images)
Ben Cohen(05 of10)
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Ben denied rumours that he was romancing his pro partner Kristina Rihanoff, though he later split from his wife Abby days after photos of him and Kristina looking cosy on the tube were posted online. (credit:Steve Thorne via Getty Images)
Matt Di Angelo(06 of10)
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The 'EastEnders' star reportedly first hooked up with Flavia Cacace during their time dancing together on the 2008 series - on which Flavia's boyfriend Vincent Simone was also a dancer.However, they weren't together for long... (credit:Jon Furniss via Getty Images)
Jimi Mistry(07 of10)
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Just a year after getting together with Matt, Flavia ended the relationship after finding love with her new dance partner Jimi. The couple married in 2013. (credit:Dave Hogan via Getty Images)
Joe Calzaghe(08 of10)
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Boxer Joe and pro dancer Kristina Rihanoff initally denied romance rumours when they were paired together in 2009, however Joe split from his girlfriend just weeks later. Joe and Kristina later confirmed that they were a couple, before splitting after four years together. (credit:Mark Cuthbert via Getty Images)
Dani Harmer (09 of10)
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'Tracey Beaker' star Dani split from her boyfriend just days after filming began in 2012. (credit:John Phillips via Getty Images)
Natasha Kaplinsky (10 of10)
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Newsreader Natasha and Brendan were plagued by romance rumours when they were paired up for the first ever series of 'Strictly' in 2004. Despite being insistent that they weer just friends, Natasha and Brendan both split from their partners shortly after winning the series. (credit:MJ Kim via Getty Images)