Washington, Nov 15 : English actress Keira Knightley was reportedly shocked to see that tech billionaires wore hoodies and Crocs to parties.

During her appearance on ' Jimmy Kimmel Live ', the 29-year-old beauty, who was invited to a private screening of her new tech-centric movie, 'The Imitation Game' in Silicon Valley, said that the crowd there was mostly clad in "hoodies and Crocs," the CNN reported.

The crowd included biggies like Facebook's Mark Zuckerberg, co-founder of Google Sergey Brin, and Yuri Milner, an investor worth nearly 2 billion dollars, all of whom Knightley as "Google people."

She said that "a very nice man" named Sergey, whose net worth is about 30 billion dollars, was definitely wearing Crocs, and the event was hosted by "some rich tech person called Yuri, who too was very nice."

Knightley, who didn't know quite what to make of the party, added that she also asked the "Google people" and when was a hovercraft like the one used in the 'Back to the Future' movies, going to be made. (ANI)