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Amy Schumer is currently in Dublin with Judd Apatow promoting their new film Trainwreck.
On Friday the pair crashed a wedding party - alongside Irish songwriter Glen Hansard - and reportedly led revellers in song.
The moment was captured on video below:
Congratulations to bride and groom, J.P. Swaine and Eithne McAdam - we hope this made your unforgettable day even more unforgettable.
HT Vanity Fair
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