"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."
Fans couldn't help thinking the play might give them a sense of déjà vu.
Kimberley Walsh, Nadine Coyle, Nicola Roberts and Cheryl Tweedy hosted The Primrose Ball to raise money in Sarah's memory.
“Although we knew this day would arrive I am somehow still feeling at a loss for words."
Many Twitter users have suggested that a Black artist or broadcaster would have been a more appropriate host.