Help with Tweener ENTER_FRAME

programming flash
1

Guys I need your help badly. I just want a movieclip to fade in when the flash file is ran. but this isnt working. Please view my code

import caurina.transitions.Tweener;

lillian.alpha = 0;
lillian.addEventListener(Event.ENTER_FRAME, function() {Tweener.addTween(lillian, {x:10, time:0.5})});