You saw her last when she was just two Celebrate the holidays with Cindy Lou Who Pull up a seat and fill up your cup ‘Cause your favorite little Who is all grown up! Support American Theatre: a just and thriving theatre ecology begins with information for all. Please join us in this mission by making a donation to our publisher, Theatre Communications Group. When you support American Theatre magazine and TCG, you support a long legacy of quality nonprofit arts journalism. Click here to make your…