Aladeen insists on subservience from everyone, including his uncle Tamir (Ben Kingsley), who has Aladeen kidnapped and replaces him with apliable double (also played by Baron Cohen).
For a second, his expression was soft and pliable, like that of a child waking from a nap, but then his mind took over and something calcified in his features, his muscles hardening against the invasion of thought.