Saoirse Ronan explains to Jimmy Fallon what an Irish 'lock-in' is in the best way possible

You’re welcome Failte Ireland.

Fresh from this year’s Oscar hype for her role in Brooklyn, there is no rest for our honorary ambassador Saoirse Ronan.

The Carlow native is is currently starring in the Broadway production of Arthur Miller's The Crucible and decided to pop in to have a chat with Jimmy Fallon on The Tonight Show.