I would say there's a 99.999999% chance that the "A-list celebrity" is just a marketing ploy. A-list celebrities do not sell their clothes! They box 'em up, donate them and take the tax deduction! At least they do here in the US...and elsewhere they no doubt donate them to charity fund-raisers, etc.
So I think he's just trying to create crazy buzz to boost bidding.
So I think he's just trying to create crazy buzz to boost bidding.