Adam Lambert On Pretty Little Liars This October:
"Pretty Little Liars" is taking a short break after airing its summer finale last week, but will be back giving fans a special treat next month with a Halloween episode. Adam Lambert is appearing on the show, acting and performing two songs. Check out a preview for the upcoming episode which includes a sneak peek of Adam Lambert’s cameo appearance. The episode airs on October 23rd on the ABC Family channel.