"Christmas will be a difficult time without April among us," her parents said in a statement released today.
"We are coming to terms with the fact that out baby girl has been taken from us."
"We realise this is a big news story, but to us it is our lives," they added.
More top news
Prince Albert II and Princess Charlene of Monaco are expecting twins next month and the first one born will be the prince's royal heir.
Train company First Great Western is aiming to reunite lost cuddly toys with their owners.
A grey start to the weekend with patchy rain for Scotland and eastern England.