Saoirse Ronan is a polka dot darling a she attend a photo call for her new film, The Way Back, held at London’s Claridge’s Hotel on Wednesday afternoon (December 8).

The 16-year-old actress stars as Irena opposite Colin Farrell in the flick about soldiers who escaped from a Siberian gulag in 1940.

Saoirse joined her cast mates as the premiere of the film later in the day held at The Washington Hotel in a lovely two-tone mini ruffle dress and at the Spanish premiere on Thursday evening (December 9).

The Way Back is expected to screen in limited theaters in January 2011.

20+ pics inside of Saoirse Ronan…