<p><br /> Justin Bieber has continued his media invasion by appearing on the David Letterman show.<br /> </p><p><br /> As he arrived for the programme in New York, he was met with screaming fans.<br /> </p><p><br /> As always the Canadian teen sensation took time out for his fans.<br /> </p><p><br /> He posed for photos and signed autographs before entering the studio.<br /> </p><p><br /> He was appearing on the Late Show with David Letterman to promote his new movie, Justin Bieber: Never Say Never.<br /> </p>
