Mark your calendars, Shawn Mendes fans!

The Canadian hottie is set to perform on the June 19th episode of ‘The Tonight Show,’ and we CANNOT wait for his reunion with Jimmy Fallon!

The host is known for his wild sketches, so we can only imagine what he has planned!

Remember when they performed ‘Fall Songs’ together?

For even more Shawn, find out why he lost all chill over an autograph!

More TigerBeat!

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Finn Matthews Premieres His New Single ‘Wouldn’t It Be Nice’

Finn Matthews Premieres His New Single ‘Wouldn’t It Be Nice’

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Miley and Noah Cyrus Reunited on Stage!

Miley and Noah Cyrus Reunited on Stage!

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Quiz: Who Said It – Lucy Hale or Ian Harding?

Quiz: Who Said It – Lucy Hale or Ian Harding?