Lucy Hale shares nostalgic moments of 'Pretty Little Liars' on 15th anniversary

Lucy Hale has just now penned a heartfelt note on the 15th anniversary of Pretty Little Liars.

The series revolves around four teenage girls, whose lives are disrupted after their friend Alison goes missing and they start receiving threatening messages from an unknown number named as 'A' who knows their deepest secret related to their pal’s dissapearance.

Taking it to her Instagram account to celebrate the anniversary with her 23.5 million fans, she posted a carousel of pictures of PLL’s behind-the-scenes.

“Happy 15 years to PLL the nostalgia!!” the Truth or Dare actress wrote in a caption with a shushing emoji.

Recalling moments from the series, she continued, “Some of these photos are so low quality but it really was a different time lol. The last slide is a video I stumbled on and didn’t even realize I had. Just a small, but not uncommon moment while filming this show.

Showing gratitude for being the part of the cast, the Hollywood actress penned, “This experienced changed my life and I will always be grateful to everyone involved."

"And to all of you, who made this one incredible ride. Thank you for keeping this alive for so many years and I know it’ll be one that people keep discovering,” she added.

Before concluding, Lucy Hale asked fans to write comments about their theories related to the mystery person A.

Pretty Little Liars, which ran for seven seasons, aired from June 8, 2010 to June 27, 2017.