The actress chose to wear one red and one green shoe, happily lifting her dress to show the unusual style off.

Helena's look was certainly eye-catching, especially combined with her plunging multi-coloured Vivienne Westwood dress teamed with birds nest-style backcombed hair.

The overall effect was dishevelled and yet carefully put together.

Helena told an interviewer: 'If you're going to spend three hours getting ready you may as well go for it.'