The timeless totty, who assured that "you don't have to be posh to be Privileged" in the name of endorsing the car insurer, made it into the top five.

Powerful women Lumley and Mirren, along with fellow mature leading lady Judi Dench, were also named as positive role models – proving that age really does matter in role model status.

On the flip side, Amy Winehouse, Katy Price, Paris Hilton, Tiger Woods, John Terry and Jonathan Ross were considered the worst celebrity role models. The survey found that they all exhibit strong personality scores as being 'playful' and 'spontaneous' and scored below average on 'sensible' and 'reserved'.