Tyra Banks landed a role on Disney Channel's tween juggernaut Shake It Up. In an episode airing this weekend, she plays Ms. Burke, a stereotypically frumpy librarian sporting big glasses and a faded beige cardigan, with HB pencils pinned haphazardly in her bird's nest do. Promotional photos don't show her wheeling around a cart stacked high with copies of Modelland, but you know it'll happen.