Louisa posted the picture to her Instagram account.
She captioned the post: "A few days at my parents house... certainly found a few classics!
"Wishing every single person a wonderful, joyful, happy and healthy 2020. 2019 saw some of my favourite times, made some new forever friends and held tight to the old ones...
"I cannot thank each and every person for all your incredible support, encouragement and kindness.
"Totally overwhelming and I'm a very lucky girl.
"Here's so the 20s... #curlyhair #thisiswhathappenswhenyoubrushit #happynewyear #2020."
As well as wishing her a happy new year, fans reacted to the hair!
"Wow there's a lot of hair," said one, with another adding: "This. Is. AWESOME!"
Soap fans know Louisa played paedophile school teacher Maya in Emmerdale from 2018 until 2019.
She arrived in the village and was originally married to Dr Liam Cavanagh but soon began an affair with David Metcalfe and ended her relationship with Liam.
Eventually Maya was caught out and sent to prison on a 12 month sentence, but she was released after five months.
On Christmas Day 2019, Maya left her baby boy on Jacob and David's doorstep.
A visit to Maya's mum Barbara revealed Maya had left the country.
David enlisted the help of Liam to get a DNA test done, however he asked that whatever the results said, Liam made sure they showed David was the father, not Jacob, to save ruining Jacob's life even further.
Do you think David really is Theo's father?
Emmerdale airs weeknights at 7pm on ITV, with an extra episode at 8pm on Thursdays.
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