The actress, who made her first appearance as the character in 1997, revealed her attitude in an interview with The Mirror.
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When asked whether she minded some of the less glamorous aspects of her role on the show, Danson replied: "I put my vanity to one side when playing Leanne.
"I know that as long as my acting is up to scratch that's all I'm bothered about."
Despite this, the 32-year-old also admitted that she would change her appearance if given the option, saying: "I'd definitely like a change of wardrobe. She has let herself down a little bit - as people keep telling me."
Leanne is currently in the middle of a love triangle between estranged husband Peter Barlow and ex-husband Nick Tilsley.
When asked who she would prefer to end up with, Danson replied: "If it came down to pure love, which I think it should, then she ought to be with Peter.
"He is the love of her life. But I have no idea how it will play out."
