Justin Bieber surprised fans last night by showing up at the Dolce & Gabbana store for Fashion's Night Out 2011. Wearing head to toe D&G, including a stunning purple leather jacket, Justin signed autographs for fans and entertained the crowds, but more importantly promoted his manager Scooter Braun's charity Pencils of Promise.

Check out this video from ETOnline where Bieber talks about the charity and his fashion sense: