More and more modern stars are showing similarities with celebrities from the swinging 60s and the silver screen stars of the 40s and 50s. In some cases they are the perfect spitting image.

To start with 'Knocked Up' star Katherine Heigl almost certainly took her inspiration from the original blonde bombshell Marilyn Monroe, when she graced the red carpet sporting a roller set mid-length bob.

She pulled off the look, gleaming glamour and grace. But which other celebrities have entered the look-a-like competition?