Halloween Costumes 2015

The singer got punny with her costume, dressing up as a "Trap Queen" on Oct. 26.

Chrissy Teigen took her FABLife Halloween costume to Flavor Town, dressing up as Food Network host Guy Fieri.

The super-cute couple got their Pulp Fiction on in this Halloween Instagram.

Jenner was decked out in his hillbilly finest for a party at the Playboy Mansion on Oct. 24.

Hough looked fang-tastic in his getup for Dancing With the Stars' Halloween episode.

"I want to suck your blood !!!!" Hough captioned the Instagram pic, adding the hashtags, "#dwts #halloween #teamcrikey."

The Arrow star always goes all out for Halloween and this year was no exception! Haynes shared this pic of himself done up as Ursula the Sea Witch from The Little Mermaid, with the caption "Poor unfortunate souls."

Beyonce and her friends went all out for singer Ciara's superhero-themed birthday party on Oct. 24. Check out La La Anthony as Wonder Woman, Ciara and Kelly Rowland as Catwoman, and Queen Bey herself as the icy-eyed Storm!

Model Lily Collins also showed off her super side at Ciara's hero-themed birthday bash.

The Dancing With the Stars pro and his girlfriend rocked the red carpet at Maxim's Oct. 24 Halloween party as Kurt Cobain and Courtney Love.

The singer and Scream Queens star showed up as the Hamburgler at the Maxim Halloween party on Oct. 24.

The Scream Queens star turned the red carpet into a catwalk at Maxim Magazine's Halloween party in Beverly Hills, California on Oct. 24. 

The DWTS brothers strutted their stuff at the Maxim Halloween party on Oct. 24.

Model Karreuche Tran showed off her bunny tail at the Maxim Halloween party on Oct. 24.

Singer Aubrey O'Day rocked a Cruella de Vil costume at Maxim's Halloween party on Oct. 24.

The Iron Man star donned this Tigger getup to brighten the day of a young fan with cystic fibrosis. Downey then did one better, inviting the fan to join him at the Captain America: Civil War premiere!

Conrad showed off her inner "party animal" for a DIY costume suggestions on her website.

No six-pack abs here! The Magic Mike XXL star rocked this paunchy (and kind of weird) Winnie the Pooh costume, and shared the pic on Instagram on Oct. 17, 2015. Channing explained the outfit in the photo caption, writing, "Pretty sure I terrified all the children at our daughter's Halloween carnival today. Btw- I'm pooh bear in case anyone can't tell."