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Sarah Harding is doing "really well" since entering rehab and plans are still afoot for a Girls Aloud reunion, Kimberley Walsh has said.
Last week it emerged Sarah had entered a treatment centre for depression and alcohol addiction following her split from boyfriend Tom Crane.
Speaking after her official opening night in Shrek the Musical, Kimberley said of her pal: "She's good. She's doing really, really well.
"We're all there for her."
Kimberley's bandmates Cheryl Cole and Nicola Roberts recently came to see her take to the stage as the gutsy Princess Fiona.
She is confident that the remaining two members of the girl group will also come and see her in the show.
"Nadine (Coyle) is going to come hopefully and see it before the run is through. That will be nice. And Sarah too."
Kimberley replaced Amanda Holden in the musical at the Theatre Royal Drury Lane after pregnant Amanda left she show earlier this month, but the singer said her new role won't hamper any plans for a Girls Aloud reunion.
"We're still looking to try and plan something for next year. I finish early next year, so it's fine.
"It's too early to give anything away, but it's exciting, the thought of us being back together."
