Jennie completed her first week back on the Corrie cobbles last week, where she told fans: "Lovely first week back filming @itvcorrie. Fiz and Tyrone had posh Freshco fishcakes."
Tweeting on set, she added: "It's good to be back @itvcorrie."
Fiz was last seen in November after leaving Weatherfield to look after her mother Cilla, and now it looks like it won't be long before she'll be back on our screens!
Jennie and long-term partner Chris Farr welcomed their baby son Albert on 29 November.
Jennie, who also runs Annie's restaurant in Manchester, recently told Reveal about Albert: "He's just fitted so perfectly into our lives. Seeing him smile is the best bit.
"Albert has amazing grandparents and all my friends at Corrie are honorary aunties and uncles."
Speaking about Fiz's on screen love interest Tyrone Dobbs, played by Alan Halsall, she added: "I watch it and I love it when Tyrone mentions Fiz. I don't want them to forget me, so it's lovely when they mention my name in a scene."
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