Gwyneth Paltrow celebrated her 40th birthday with a family vacation in Italy.

The Hollywood actress jetted to Portofino with her husband Chris Martin and their two children ahead of Paltrow's big day on Thursday (27Sep12).

On the day of the Iron Man star's birthday, the family took a private boat trip.

Paltrow previously celebrated her 30th birthday with a trip to the Italian capital, Rome.