Keanu Reeves is back at work! The 55-year-old actor recently returned to Europe as filming on the hotly anticipated flick Matrix 4 resumed filming. The A-lister joined his cast mates for dinner on July 4, as the stars of the sci-fi thriller enjoyed a meal in the German capital city. Keanu was accompanies by his stunning girlfriend Alexandra Grant, 47, and his co-star Carrie-Anne Moss, 52, who portrayed Trinity opposite Keanu’s character Neo in the previous three films in the franchise.