Shawn Mendes - 'Something Big' live on Letterman.
Shawn Mendes - 'Something Big' live on Letterman.
November 17, 2014 | by Shahlin Graves
Shawn Mendes appeared on 'The Late Show with David Letterman' this week to perform his new single, 'Something Big', accompanied by a brass backing-band.
Watch the performance below…
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