2015 Halloween | Entertainment News, Photos, and Videos

Jennifer Lopez sports white makeup on her face and drawn on skeleton bones on her neck while heading to Heidi Klum‘s 2015 Halloween Party on Saturday night (October 31) in New York City.

The 46-year-old singer and actress was joined by her longtime boyfriend Casper Smart, who also wore black with white face makeup.

“Haute couture skeleton,” J.Lo captioned an Instagram selfie.

Also in attendance were model Nina Agdal, singers Tinashe and Nicole Scherzinger, and actress Malin Akerman. Check out their costumes below!

FYI: The party was sponsored by GSN’s Hellevator and SVEDKA Vodka. Jennifer is wearing a Michael Costello strapless gown. Nicole is wearing a House of CB dress.

10+ pictures inside of Jennifer Lopez, Nicole Scherzinger, and more at Heidi Klum‘s party…More Here! »

Sarah Hyland looks super fierce while posing on the carpet at the 2015 Just Jared Halloween Party on Saturday (October 31) at No Vacancy in Hollywood.

The 24-year-old Modern Family actress did a group costume with her friends and they decided to be the Suicide Squad!

“So turns out my friends are badasses 😈�’�🏼,” Sarah captioned the below photo on Instagram.

Also in attendance were Sarah‘s co-star Ariel Winter and her boyfriend, Laurent Claude Gaudette.

Other celebs who stopped by were X-Men: Apocalypse‘s Alexandra Shipp, Jem and the Holograms‘ Aurora Perrineau and Stefanie Scott (not pictured), AJ Michalka and boyfriend Keenan Tracey, Emily Osment, Taylor Spreitler, and Camryn Grimes.

Guests at the event got the chance to rock out during the party and play Guitar Hero Live thanks to the awesome booths set up by Activision.

Jennifer Aniston looks unrecognizable in a Nightmare Before Christmas-type mask while arriving at Chateau Marmont for Halloween on Saturday night (October 31) in West Hollywood, Calif.

The 46-year-old actress was seen in the backseat of a car with her husband Justin Theroux.

Although not pictured, Justin reportedly wore a Dalmatian dog mask of some sort.

The night before, Jennifer looked more like herself while taking the stage to honor Reese Witherspoon at the 2015 American Cinematheque Award ceremony at the Hyatt Regency Century Plaza in Los Angeles.

Kylie Jenner sports some extra long hair and a sexy costume while channeling Xena: Warrior Princess as she headed to a Halloween party at Bootsy Bellows nightclub on Saturday evening (October 31) in West Hollywood, Calif.

The 18-year-old reality star was joined by her boyfriend Tyga, who dressed as a gladiator, and some friends who dressed as ninjas.

That same night, Kylie‘s older sister Kendall, 19, was spotted walking to the same party dressed as Karl Lagerfeld!

FYI: Kendall is wearing a custom Shady Zeineldine bodysuit and Sophia Webster boots.

25+ pictures inside of Kylie Jenner out with Kendall and Tyga for Halloween…More Here! »

Heidi Klum sports some major (fake) cleavage in her jaw-dropping Jessica Rabbit costume for her 2015 Halloween Party held at LAVO New York on Saturday night (October 31) in New York City.

The 42-year-old Project Runway host looked like a completely different person!

Earlier in the day, Heidi took to Instagram to slowly show the progress of her amazing transformation.

In case you’re unaware, Jessica Rabbit is a character from 1988′s live action/animated film Who Framed Roger Rabbit.

She’s the gorgeous wife of Roger Rabbit, an A-list Toon working for Maroon Cartoons who’s framed for the murder of Marvin Acme.

FYI: The party was sponsored by GSN’s Hellevator and SVEDKA Vodka.

35+ pictures inside of Heidi Klum looking totally different as Jessica Rabbit…More Here! »

Shay Mitchell poses with a pumpkin in Hasbro’s DohVinci room at the 2015 Just Jared Halloween Party on Saturday (October 31) in Hollywood.

The 28-year-old actress and author, who dressed as Poison Ivy, was one of the many celebs that designed 3D art on the pumpkins using the deluxe stylers.

Joining Shay at the party were her Pretty Little Liars co-stars Ashley Benson (dressed as a rocker chick) and Janel Parrish (dressed as a ninja).

Janel met up with her former Bratz co-stars and longtime friends Skyler Shaye and Nathalia Ramos inside the annual party.

FYI: Ashley is wearing Raye booties.

Ross Lynch and Courtney Eaton walk the carpet together at the 2015 Just Jared Halloween Party held at No Vacancy on Saturday (October 31) in Hollywood.

The 19-year-old Teen Beach Movie star and the 19-year-old Mad Max: Fury Road actress made their first official appearance together as a couple at the event!

Ross and Courtney dressed up as Romeo and Juliet from the 1996 film version starring Leonardo DiCaprio and Claire Danes.

Joining the super cute couple at the event were Ross‘ R5 bandmates Riker Lynch, Rocky Lynch, Rydel Lynch, and Ellington Ratliff, as well as brother Ryland Lynch.

Upon arrival at the party, the whole gang spent time in the Guitar Hero Live room, where guests had the chance to play the game and take home a copy for themselves.