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"The storylines may be getting darker on ABC Family&amp;apos;s Pretty Little Liars, but the mood on set is lighter than ever. &amp;quot;Our show has such heavy material, everyone can feel on edge,&amp;quot; Keegan Allen, who plays Toby Cavanaugh, says in the Pretty Little Liars Collector&amp;apos;s Edition of Us Weekly (available now). &amp;quot;Then someone sits on a whoopee cushion, and we&amp;apos;ll all of a sudden feel better!&amp;quot;\r\n\r\nThe girls -- Shay Mitchell, Troian Bellisario, Lucy Hale and Ashley Benson -- usually arrive on set at 5:30 a.m. &amp;quot;We&amp;apos;re in hair and makeup for an hour and a half!&amp;quot; says Benson, 23. Night shoots, which can go until 3 a.m., &amp;quot;are like slumber parties on the set,&amp;quot; according to Mitchell.\r\n\r\nIn between takes, the costars often interact with their fans via social media. &amp;quot;Ashley and I are always laughing and taking &amp;apos;selfie&amp;apos; pictures,&amp;quot; says Benson&amp;apos;s onscreen beau, Tyler Blackburn. When they&amp;apos;re filming major episodes, however, executive producer I. Marlene King says she enforces strict rules to prevent spoiler leaks: &amp;quot;No tweeting! No Instagram! And shred your script!&amp;quot;\r\n\r\nEven the cast is kept in the dark about the show&amp;apos;s many twists and turns. &amp;quot;We get the script about two days before we start filming an episode,&amp;quot; says Bellisario, 27. &amp;quot;But usually one of us will try to steal it beforehand. We can&amp;apos;t wait to find out what happens next!&amp;quot;\r\n\r\nFor more behind the scenes pictures and anecdotes -- plus four huge posters, exclusive fashion steals and details on the girls&amp;apos; real-life loves -- pick up the Pretty Little Liars Collector&amp;apos;s Edition of Us Weekly, available now."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.usmagazine.com/entertainment/news/pretty-little-liars-go-behind-the-scenes-with-the-cast-2013177>