It was revealed that Hayley Kiyoko will be joining the cast of Insidious 3, as the actress made the announcement via Instagram on July 26.

Insidious 3 To Be A "Twisted Tale Of Terror" For A "Teenage Girl And Her Family"

"Very excited to finally announce I will be in Insidious 3 with the lovely @stefaniescott and director Leigh Whannell! Thank you blumhouse productions! #2015 #insidious3" she wrote. She also put up a picture featuring her, Stefanie Scott and director Leigh Whannell.

The 23-year-old has starred with Scott in Jem and the Holograms before this.

Leigh Whannell Teases Insidious 3 Plot Stating There Will Be "Lots Of Shadows"

Earlier this month, Scott also captured a moment from her first day of filming for Insidisous 3 for fans.

She posted an image on her Instagram page after wrapping the first day of filming. She is seen in a short, flowy black dress holding onto a bouquet of flowers.

"Day One = Done. Thanks to my agents and #Insidious family for the lovely flowers," reads the caption.

Dermot Mulroney and Lyn Shayne also star in the movie.

Blum (Blumhouse Productions) will be co-producing the third film with Oren Peli (Paranormal Activity).  Leigh Whannell, who wrote the first two chapter of the franchise -- which were directed by James Wan (Fast and Furious 7) -- will be directing and writing for Insidious 3.

Nothing has been revealed about Scott's character in the movie.

Insidious 3 will release in April 2015.

Watch the trailer for Insidious: Chapter 2: