Update 4.40pm: Stefan has now been found. Lincolnshire Police have thanked everyone who shared the appeal.
Police are appealing for information for the whereabouts of missing Stefan Hollingworth.
Stefan, 19, was reported missing on January 6 and is believed to be in Grantham.
Anyone with any information on his whereabouts or have seen him are asked to call Lincolnshire Police on 101 quoting incident number 104 of January 6.