Adam is up to his usual tricks and treats in the new clips, rocking his interview-with-a-glampire look to full fearsome (and literally fierce) effect as he performs one of his best Trespassing tracks, "Cuckoo," at a masquerade ball. Then he totally sinks his fangs into an actual acting scene. Check out the "Pretty" previews below!
Adam Lambert's "Pretty Little Liars" episode airs on ABC Family on Tuesday, October 23 at 8pm. It's sure to be a thriller, so tune in!
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