She was calm, serene and looking forward to going home, says Amanda Knox's lawyer as smiling American leaves Rome airport

Amanda Knox prepared to fly out of Italy and back to the U.S. today after being dramatically cleared of the murder of British student Meredith Kercher. Worried Amanda, 24, was taken to the airport police station to sign various forms - even anxiously calling her lawyer Carlo Dalla Vedova to check everything was fine for her to go through immigration and board the British Airways flight to Seattle via London Heathrow. The American tried her best to stay out of view as she arrived at Rome's Fiumicino Airport and tried to avoid journalists waiting for her outside since dawn. Today Mr Dalla Vedova said: 'I spoke with her briefly. She was a bit worried about going through immigration and although her passport was valid she was still a little anxious as she was held in the airport police station for paperwork procedures.