Rihanna Nella Pettinato is described as being between 1.60 and 1.70 metres tall, of slim build, with brown eyes and dark hair, which she may have tied up in a bun.
At the time she was last seen, at around 8.30pm on Christmas Eve, Rihanna was wearing a black padded jacket, a grey jumper, and white and green trainers.
Anyone who has seen her or has information about her whereabouts is asked to contact the Atert police by calling (+352) 244 921 000 or emailing police.atert@police.etat.lu.
