"It will never feel like the old Girls Aloud again but we’ve reached a point where we feel ready to celebrate all of it. Sarah included."
Nicola Roberts' cryptic Instagram post has got fans' imaginations running wild.
The excitement is bittersweet following the death of Sarah Harding in 2021.
"We just forget that song ever happened – it’s a mirage..."
Girls Aloud singer Sarah died in 2021 aged just 39, following a breast cancer diagnosis.
Her Girls Aloud bandmate Kimberley Walsh was on hand to get the party started.