Video - Christina Perri Turns Photographer In New York City

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Christina Perri and her band arriving for a taping of The Late Show with David Letterman at the Ed Sullivan Theatre in Manhattan. Sporting a long black dress with matching boots, Christina posed for the waiting press pack before meeting fans who had queued to catch a glimpse of the singer.

The Philadelphia-born artist even helped some fans get the perfect photo - grabbing their phones and cameras to take the pictures herself. She later performed a rendition of new song 'Arms' on Letterman