24 power couples at Allen & Co.'s annual 'summer camp for billionaires'

Millionaires, billionaires, tech execs, and their better halves have all descended upon Sun Valley, Idaho, for the investment bank Allen & Co.'s 33rd annual weeklong conference, aka summer camp for billionaires.

And it has become a family affair.

From François-Henri Pinault and Salma Hayek to Diane von Fürstenberg and Barry Diller, check out which power couples are at this year's conference.