Step inside the showbiz celebration of the year and watch as Dame Joan Collins and Percy Gibson mark their 20th wedding anniversary in style with a spectacular star-studded party at Claridge’s.Two decades after we exclusively covered their nuptials at the same hotel, the iconic actress and her beloved husband took us back to where it all started. Now, we're bringing you an incredible, candid look inside the spectacular evening - including an exclusive look at the heartwarming - and hilarious - speeches.