In a post on the Official Find Madeleine Campaign Facebook page, Kate and Gerry McCann said they "hang on to the hope" they will see Madeleine again. They added this year was "particularly poignant" due to her milestone birthday on May 12.
The couple posted the message on Monday - the 14th anniversary of Madeleine's disappearance.
Kate and Gerry thanked police for their continued work and members of the public for well-wishes.
They said: "Every May is tough – a reminder of years passed, of years together lost, or stolen.
"This year it is particularly poignant as we should be celebrating Madeleine’s 18th birthday. Enough said.Insurance Loans Mortgage Attorney Credit Lawyer
Madeleine McCann's parents have released a heartbreaking message ahead of her 18th birthday (Image: GETTY)
Kate and Gerry McCann said they "hang on to the hope" they will see Madeleine again (Image: PA)
"The Covid pandemic has made this year even more difficult for many reasons but thankfully the investigation to find Madeleine and her abductor has continued.
"We hang on to the hope, however small, that we will see Madeleine again.
"As we have said repeatedly, we need to know what has happened to our lovely daughter, no matter what.
"We are very grateful to the police for their