Julian Casablancas teamed up with The Roots to perform his cover of 'I Wish It Was Christmas Today' on US TV last night.
The Strokes star was also joined for the performance by Jimmy Fallon, the show's host, and comedian Horatio Sanz.
The pair began the song on a guitar and keyboard before Casablancas took over, backed by The Roots.
The singer is currently promoting his debut solo album, 'Phrazes For The Young', which is out now.
You can watch his performance on Late Night with Jimmy Fallon below:
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