Ariana Grande & Mac Miller Vie for Halloween DominanceThe couple posted a series of Instagram photos featuring multiple costumes including Pokémon, 'Moonrise Kingdom,' and 'The Matrix.'
The Obamas Get Down to 'Thrilller' for HalloweenDuring a White House Halloween celebration, the Obamas busted a few moves onstage that resembled the dance from Michael Jackson's "Thriller."
Beyoncé and Jay Z Slayed Halloween as Black Barbie and KenBey and Jay even encased themselves in cardboard boxes for maximum Toys-R-Us effect.
Taylor Swift Borrows Ryan Reynolds' ‘Deadpool’ Outfit for Halloween“Thanks @vancityreynolds for this costume,” the 26-year-old wrote. “You're the BEST deadpool inside contact ever.”
Sia Shares Best Halloween SiasA lot of people are dressing up as Sia for Halloween.
Charli XCX Gets in the Zombie Spirit with 'After the Afterparty' VideoCharli wants to make zombies sexy, or at least less unattractive than other TV shows and movies have portrayed them to be.
Ariana Grande Braves a Haunted Maze for HalloweenThe pop star ventured into the new horror "ride" and experienced over three minutes of absolute terror.
Katy Perry, Demi Lovato, Nick Jonas & More Share Halloween CostumesYou never know who might be hiding behind some of those masks you see on Halloween.
Beyoncé Celebrates Halloween with Salt-N-Pepa CostumeAnd Pepa says, "She killed it!"
See Katy Perry and Orlando Bloom Slay HalloweenHope you all had a very Happy Halloween weekend!!! Your favorite celebrities sure did...
Heidi Klum's 2015 Halloween Gala in PhotosSee photos from Heidi Klum's epic 2015 Halloween Gala!
Shoboy's #ScaryAMPChallenge: What Will Al-p Eat While Blindfolded?Shoboy challenged street teamer DJ Al-P to pick his poison between eating gummy worms or eating real worms while being blindfolded.