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Some of the guests had flown in straight from New York.
And willowy cover girl Erin O'Connor was seen exclaiming she'd just dropped in briefly before dashing off to a birthday flamenco dancing session with her boyfrend.
Meanwhile, Vogue's deputy editor Emily Sheffield, the sister of Samantha Cameron, was looking as chic as ever.
That was the buzz at the first party to kick off to London Fashion Week Autumn/Winter 2011.
But Friday officially marks the start of proceedings with Paul Costelloe leading the shows, a fashion tradition of the capital.
House of Holland - whose muse is Girls Aloud star Nicola Roberts - will show on Saturday, whilst Matthew Williamson, who dresses the likes of Sienna Miller and Blake Lively, is scheduled for Sunday.
But the biggest names, among them Christopher Kane, Burberry Prorsum and Paul Smith, will take centre stage on Monday.