Actress Lucy Hale ( Pretty Little Liars ), on a new episode of Behind The Curtain on Youtube, played a big prank on Jean-Luc Bilodeau ( Baby Daddy ) shown in the pic above. She tweets to everybody:

“Y’all check out the prank I played on my friend @jlblives http://youtu.be/aeUyxBTsBe8  starts at 4:22 hahah love you Dude! U look good in a skirt”

What exactly did Lucy do to her friend Jean-Luc? Find out in the video below! Remember, you can just watch the prank if you want beginning at 4:22. Enjoy!