Young Hollywood Dresses Up For Matthew Morrison's Halloween Party

Matthew Morrison hung out with his wife, Renee Puente, and his Glee costar Chris Colfer, who was joined by his boyfriend, Will Sherrod.

Jonathan Bennett got animated as Batman.

Joey Fatone's baseball cap was part of his Spiderman costume.

Adam Lambert completed his look with a bowtie.

Derek Hough and Chord Overstreet linked up.

JC Chasez went as Hunter S. Thompson.

Perrey Reeves and her buddies were superheroes.

Matthew Morrison took the mic with his wife, Renee Puente. Their costumes were inspired by Pulp Fiction.

Matthew Morrison and Renee Puente got a kick out of Colton Haynes's Shrek-inspired costume.

Zelda Williams wore a spooky outfit, and Jackson Heywood paid homage to Top Gun.

Ashley Madekwe showed off her Dark Knight-inspired costume inside the party.

Julian Morris achieved the balding look for his Riff Raff from The Rocky Horror Picture Show costume.

Audrina Patridge wore a see-through black dress. Her boyfriend, Corey Bohan, showed off his stems in Reno 911! shorts.

Chris Colfer took a funny picture with his cat before the party. "I went to a Halloween party once. It was terrible. #GrumpyCat," he wrote.

Lucy Hale took a picture with her pal Skyler Shaye, who dressed as Natalie Portman's character in Closer.

Shenae Grimes was ready for the cabaret in her costume.

Chris Colfer channeled a kitty cat.

Ashley Madekwe donned a nurse's uniform, channeling Heath Ledger as the Joker in The Dark Knight.

Actress and singer Aly Michalka went with a pink dress, while her date went all out with blood.

Colton Haynes nailed Princess Fiona from Shrek with his costume. "The most beautiful man in the world ...was the most unfortunate looking woman last night," Lucy joked in the caption of this Instagram picture.

Lucy Hale put a lot of effort into being a convincing Twitter bird.