The OC star, 37, looking to be debuting in Ramsay Street with a younger love interest, with her character seducing Big Brother Australia star Xavier Molyneux's character Byron Stone in an elevator scene.
Everything we know about Mischa Barton's character on Neighbours
The promo shows Reece trying to get help with her many shopping bags as Paul Robinson admonishes the workers in the hotel for not helping her, before assigning Byron to help her out.
It looks like Reece and Byron will share a steamy kiss in the elevator, with previous promos teasing an epic romance between the two.
Later the two appear to get closer on a beach date with Byron stating he wants to get to know more about the mysterious Reece, but things look like they reach a dramatic turning point when he finds out about her real identity and accuses her of keeping secrets.
The teaser promo of Mischa and Byron's steamy romance left Neighbours fans excited, with many stating they 'can't wait' to watch things unfold.
"I LOVE it!!!," one person commented.
"Looks a bit fresher and more modern," another said.
"This clip makes me more excited for Neighbours coming back," another fan said.
Who else is starring in the rebooted Neighbours?
Along with Mischa and Xavier's characters, the revitalised Neighbours series sees the return of fan favourites like Paul Robinson (Stefan Dennis), Toadie Rebecchi (Ryan Moloney), Harold Bishop (Ian Smith), Karl and Susan Kennedy (Alan Fletcher and Jackie Woodburne), Mike Young (Guy Pearce), and Chloe Brennan and Elly Conway (April Rose Pengilly and Jodi Gordon).
When and where can I watch Neighbours?
You can tune into the revived soap from Monday September 18 at 4:30pm on Channel 10 or 6:30pm on 10 Peach. It'll also be available to stream on Prime Video and Amazon Freevee.
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