How old is a movie legend?

Definitely older than 37-year-old Nicole Kidman according to Lauren Bacall.

Bacall became irritated during an interview on a British TV show this week in London when the younger actress was described as "a legend."

"She's not a legend," Bacall said, cutting off interviewer Jenni Falconer in mid-sentence.

"She's a beginner. What is this 'legend?' She can't be a legend at whatever age she is. She can't be a legend, you have to be older."

The two actresses were in Venice, Italy, to promote their new film Birth, in which 79-year-old Bacall plays Kidman's mother. Later, reporters peppered Kidman for a response to Bacall's comments.

Bacall insisted she and Kidman get along famously.