Cate Blanchett's young son dressed up as a knight and protected her on the set of her latest movie.

The "Elizabeth: The Golden Age" star - who plays the Virgin Queen in thehistorical film about the 16th century Spanish invasion of England - saysher five-year-old son was so obsessed with knights the assistant directorkindly let him play the part off screen.

Cate Blanchett's husband hated kissing her when she was dressed as Bob Dylan, because of her stubbly face.

The Australian actress - who portrays the music legend in new biopic "I'm Not There" - admits her fake facial hair ruined her and spouse Andrew Upton's love life.

Cate Blanchett's sons think she's Queen Elizabeth I.

The Australian actress - who wore a clingy, strapless, sequined Vivienne Westwood dress and jacket for the premiere of "Elizabeth: The Golden Age" in London's Leicester Square last night - revealed her two boys, five-year-old Dashiell and three-year-old Roman, get confused by their mother's ever-changing film roles.