: "She was only on there because she was covering my maternity leave.
"During which I was asked several times by colleagues pleading to know when I was coming back.
"Esther was never presenting there permanently.
"She was at Channel Five I think at the time and she was jobbing, just trying to get work."
Earlier, Sun columnist Lorraine addressed the row to slam the Tory hopeful for her views on LGBT rights.
She said she was "baffled" by Ms McVey bragging about her apparent promotion - but insisted there "is not battle".
She told Piers Morgan on GMB: "I’m baffled by that though because I had my own show from 1992 and I don’t actually think she joined until five years later."
Lorraine added: "Yesterday, Piers, I will be honest with you, I just got sick to the back teeth of the whole toxic political atmosphere.
"I strongly disagree with her on LGBT rights and I just felt like I’ve had enough of this, we’ve had two-and-a-half years of going round in circles over Brexit and now we’ve got people at each other’s throats and its got to stop.”
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Lorraine also blasted Ms McVey in her column.
She told Sun readers: "My terse reaction had nothing to do with Esther McVey the TV presenter and everything to do with Miss McVey the politician.
"I abhor her stance on LGBT rights - and like so many of her colleagues from all sides of parliament, she stands an example of everything that is wrong with our toxic political landscape."
Lorraine Kelly is 'baffled' by Esther McVey feud as she denies 'fighting her over Eamonn Holmes' in the '90s
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