Sarah Ferguson, Duchess of York has been criticised for her “hypocritical” outburst at a Cannes Film Festival gala after shushing the audience during an auction. The royal furiously silenced the crowd as she helped auction off a portrait of the late Queen Elizabeth by Chris Levine, which sold for €475,000 in aid of charity. Ferguson told the crowd to “be quiet” and accused them of “looking for the next party” instead of “making our planet better for the youth of tomorrow”. Sarah told the gala attendees: “Did you see I removed the microphone, because all of you are saying ‘I want to go, where i…