Demi Lovato: Dead Zombie Halloween Costume!

Demi Lovato goes for the scare as a dead zombie at her Halloween Party on Thursday night (October 31) at an office in West Hollywood, Calif.

The 21-year-old singer decorated her new home to the nines with creepy decor and brought out DJ Dhanai for some tunes. Her sisters Dallas and Madison were also in attendance for the bash!

PHOTOS: Check out the latest pics of Demi Lovato

“HAPPY HALLOWEEN!!!!! #throwbackthursday #andthatwasntevenhalloween,” Demi tweeted earlier in the day with a throwback pic.

Keep your eyes peeled on the site – Demi‘s video for “Let It Go” from Frozen premieres later today!

15+ pics inside of Demi Lovato at her Halloween party…