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"Inside Llewyn Davis" Star Sings Gorgeous Acoustic Version Of "Roar" With Jimmy Fallon

Cue the jam sesh.

1. Oscar Isaac showed up on Fallon to make sweet music with the late-night host.

2. The two of them got pretty into it.

3. Plus, who knew Oscar Isaac was a total babe?

4. Besides this lucky guy.

CBS Films

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