Time for another epic lip sync battle!

After the amazing lip sync battle between Emma Stone and Jimmy Fallon, there was a lot of pressure to top it, so Fallon brought in the big guns last night.

Will Ferrell and Kevin Hart joined Fallon in lip synching jams like Beyoncé's "Drunk In Love" and John Legend's "All of Me" Check out the cameo from Drew Barrymore!

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