Earlier this week, it was announced that Emma Watson would be featured in the British band One Night Only's music video for their song Say You Don't Want It. The band released a nine-minute-long behind-the-scenes look at the making of the video, shot on location in New York City earlier this month, on their official YouTube page.

Emma introduces the video, and is then seen again shooting sequences for the video about four minutes and seven and a half minutes in. That can be seen below (Emma isn't heavily featured, just glimpses throughout at the aforementioned timings, though she is heard in the background chatting with the band).
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Note: There are mature themes and strong language.