15) Keira Knightley – Guitar (Begin Again, 2013)

In Begin Again, Keira Knightley starred as a singer-songwriter trying to make a name for herself in the industry. To get ready for this role, Keira Knightley learned how to play the guitar, something she had never attempted before. Knightley's journey was closely tied to the music she composed, and she worked with many musicians to perfect the rhythm and feel of her songs. Her commitment to playing live music added a very authentic feel to the film. Not just that, she also performed many of the songs live, both on vocals and the guitar.
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Edited by Mudeet Arora