Joy filled the prefab unit that is now the home of six- year-old Christina Ezzo Obada's family, who were forced to flee the town of Qaraqosh, which lies between Arbil and Mosul and was taken over by the Islamic State group in mid-2014.
"Seeing my daughter is a miracle," said her 46-year-old mother Aida.
"I was shocked because she has changed so much, I didn't recognise her."
They were on a bus with other displaced people when jihadist fighters took her daughter from her in August 2014.
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Iraqi forces retook all of east Mosul earlier this year and have been battling die-hard jihadists in west Mosul since February.
Christina's mother told AFP that she had been receiving intermittent information about her daughter but had never managed to talk to her directly.
The family Christina lived fled Mosul recently and on Thursday night, the little girl's eldest brother Elias received a phone call asking him to pick up his sister from another location in the city.
More than 120,000 members of Iraq's dwindling Christian minority had to flee their homes when IS swept through the Nineveh Plain east of Mosul in August 2014.
Christina's disappearance had rallied support around the plight of the community, which has yet to return to its towns and villages, most of which were retaken from IS months ago.
Friends, relatives and neighbours crowded their modest camp dwelling Saturday but the reunion wasn't easy for Aida, whose daughter did not recognise her.
"We will try to bring back those memories for her and remind her that I am her real mother," she said.
The young girl did not talk to anyone but smiled when she opened all the gifts that well-wishers and charity organisations brought to the Ezzo family.