Vatican officials announced that Pope Benedict celebrates is birthday only with the people close to him: his secretaries and the four women who cook and clean for him.
The Pope may have chocolate cake and a glass of port wine, his favourite desert.
The big celebration will take place on Monday, the day the Benedict XVI marks also five years as Pope.
During the weekend Pope Benedict will be in the Mediterranean Island of Malta for his fourteenth pastoral visit.
On May 11, the Pope arrives in Portugal for a visit that takes him to Lisbon, Fatima and Oporto.
Happy bithday, Pope Benedict!