The couple gazes brightly at the camera, posing for a selfie like the thousands posted on Instagram every day. "Here we go... Wish us, 'Buon viaggio!'" the accompanying caption reads.
Amanda Knox once told reporters she would never "willingly" go back to Italy, after a retrial in 2014 saw her convicted for a second time of the murder of British student Meredith Kercher.
Italy has been ordered to pay compensation to Amanda Knox, an American former student who spent years under the cloud of a murder she didn't commit.