Sarah Harding gave Tracy Barlow a "good slap" on her first day at 'Coronation Street'.
Sarah Harding
The former Girls Aloud singer is set to join the ITV soap as Joni, the wife of Tracy's first husband Robert Preston, next week and she's revealed she had to put the feisty character in her place on her very first day on set.
Sarah told The Sun newspaper: "I had a slanging match on my very first day! I had to give Tracy a good slap.
"Every time they shouted cut I would be giggling because [actress] Kate [Ford] is so lovely and the complete opposite to her character.
"It was all choreographed to look nasty but I didn't actually touch her.
"My character isn't a baddie, but she also isn't very nice. Tracy is her nemesis so you can imagine she is quite tough!"
Meanwhile, Kate - who has played Tracy since 2002 - has revealed her most embarrassing moment on the Manchester based soap was when she was asked to mimic the sounds of childbirth.
She told Radio Times magazine: "It was very embarrassing. You make noises like that in isolation and it sounds like you are having sex. But I had to do the moans in front of an all-male crew.
"They just put a mic over you and say, 'Right, go! Do some birthing sounds.' "
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