The Monday night gala is traditionally a meeting point for the cream of the financial crop, who congregate to sow the seeds of future deals.
This year was no exception, with the great and the good of the business world coming out in force, including former Marks & Spencer boss Sir Stuart Rose.
No word if an awkward moment blossomed between Bob Diamond and ex-FSA head Hector Sants, now monitoring compliance at Diamond’s old stamping ground, Barclays. Certainly not to judge from the grin on Diamond’s face.
Lord Heseltine, proud owner of 50 acres of arboretum, brought some horticultural expertise to the evening, although his thoughts on devolving power to the regions were probably more sought after.
City veteran Michael Spencer, hedge fund tycoon Pierre Lagrange, and Roland Rudd, co-founder of City spinners RLM Finsbury, all walked the violet carpet at the high-powered garden party.