The now 29-year-old played Susan Pevensie in The Lion, The Witch and the Wardrobe; as well as its sequels Prince Caspian and The Voyage of the Dawn Treader.
After the films’ youngest lead, Georgie Henley, returned last month with a stage role, what happened to her former co-stars?
Popplewell, for one, has been very successful.
Since making a cameo in Dawn Treader in 2010, she has enjoyed big success playing Lady Lola in the TV series Reign.
She was a cast member for the first three seasons of the romantic drama, which followed the exploits of Mary, Queen of Scots.
It aired on US network The CW, and only went on for one more season after Popplewell’s departure.
She’s also notable for voicing Chyler Silva in Halo 4: Forward Unto Dawn; released in 2012 – work which earned her a nomination at the Streamy Awards.
Last year she completed work on a short film called The Last Birthday; currently listed as her most recent role on IMDb.
Popplewell had also racked up a fair few credits before setting foot in Narnia back in 2005.
As a child she had already earned spots in TV films Frenchman’s Creek (1998) and Dirty Tricks (2000); as well as the series Love In A Cold Climate (2001) and Daniel Deronda (2002).
She won Best Actress at the 2006 Character and Morality in Entertainment Awards, for her work as Susan Pevensie.