Cheryl Cole stepped out in a £4,000 Alexander McQueen frock last night.
The Girls Aloud star was celebrating her 26th birthday at private members' club Vanilla when she showcased the skimpy 1920s number.
Cheryl giggled as she pushed her way through the crowds with husband Ashley.
She was joined by mum Joan Callaghan, The X Factor judges Simon Cowell, Louis Walsh and Dannii Minogue, and her Girls Aloud bandmates.
Other stars attending included Holly Willoughby, Diana Vickers and Terri Seymour.
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