PHOTOS: Justin Bieber performs on Chicago sidewalk, Oprah watches

<div class="meta image-caption"><div class="origin-logo origin-image none"><span>none</span></div><span class="caption-text">Justin Bieber had Oprah Winfrey checking out his sidewalk performance for throngs of fans outside RL Restaurant in Chicago, Wednesday, Oct. 24, 2012.</span></div>
October 24, 2012 4:08:05 PM PDT