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What's in Jennifer Lawrence's 'Box of Lies'?

6/17/2014

Entertainment Tonight

Is Jennifer Lawrence as good a liar as she is an actress? Jimmy Fallon found out the answer to this question when he had the "X-Men: Days of Future Past" star play "Box of Lies" on Thursday's "Tonight Show."

How the game works is that each contestant picks a box and describes the object in the box. However, they can lie about what their object actually is and it's up to the other contestant to determine whether they're telling the truth.

Can Jennifer Lawrence keep a straight face during this face-off with Fallon? Watch the video to find out!

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