ZARA McDermott didn't speak up about her Strictly partner Graziano Di Prima's 'abuse' because she was "too scared".
BBC producers are said to have approached the ex-Love Island star after witnessing the professional dancer's behaviour in rehearsals.
However, the reports that Zara insisted she was "fine".
A source told the paper: "In hindsight, Zara was clearly too scared to speak up and it's heartbreaking that the full extent of what was happening wasn't apparent."
The Sun revealed how the BBC had been warned twice about Graziano’s conduct towards Zara during their training sessions last year.
It's believed on one occassion, Graziano was spoken to by a senior producer over the "bad language" used in training.
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However, Zara is understood to have "suffered in silence" as she kept quiet about the extent of his actions.
The source added: "Graziano understood he was being given a warning, and that his conduct had to change."
Last Graziano, 30, was fired by the BBC following claims he hit, spat at and kicked Zara during rehearsals.
Speaking out for the first time, Zara said: "Reports have been made about my treatment on the show and there were witnesses to some events, as well as videos of particular incidents which are incredibly distressing to watch.
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"I have wrestled with the fear of opening up - I was scared about public backlash, I was scared about my future, I was scared of victim shaming.
"But after a lot of conversations with those I love, I've gained the strength to face these fears, and when I was asked to speak to the BBC, I spoke candidly about my time on the show."
Zara added: "The culture within our society makes it difficult for people to speak up, especially in a world where social media opinions and voices are so loud.
"This is something I've seen through working with countless women on my documentaries.
"I would like to thank the BBC & BBC Studios for their swift action and incredibly high level of support, as well as everyone who has reached out to me - it really truly means a lot. Love, always. Zara."
Graziano Di Prima - Strictly statement in FULL
GRAZIANO Di Prima has addressed his Strictly Come Dancing sacking with a statement on social media - see the details below.
In a statement shared to his Instagram page Graziano wrote: "I deeply regret the events that led to my departure from Strictly. My intense passion and determination to win might have affected my training regime.
"Respecting the BBC HR process, I understand it's best for the show that I step away."
He continued: "While there are aspects of this story involving external influences that I can't discuss at this time, I remain committed to being strong for my family and friends.
"I wish the Strictly family and the BBC nothing but success in the future."
He concluded the post: "I also want to thank everyone who has supported my career, both professionally and personally. When the time is right, I will share my story."