Photo of the Week: Janel Parrish at Universal Studios Halloween Horror Nights

Janel Parrish, Mona Vanderwaal on Pretty Little Liars, had fun at Universal Studios Hollywood's Halloween Horror Nights.

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"Had a scary good time at @horrornights @unistudios 😱 #universalHHN," Janel captioned this photo.

Back in 2014, PLL stars Janel Parrish, Tyler Blackburn and Drew Van Acker had fun getting scared at Knott's Scary Farm. Watch Janel Parrish make her way through a haunted maze.

Which is better: Universal Studios Hollywood's Halloween Horror Nights or Knott's Scary Farm? Comment below with your opinion!