Mariah Carey Rocks Out at Heidi Klum's Halloween Bash, Plus Ben Affleck, Sarah Jessica Parker & More
From Hollywood to New York and everywhere in between, see what your favorite stars are up to
Mariah Carey gets into the groove as a retro 80's hair metal rocker at Heidi Klum's 20th annual Halloween Party, presented by Amazon Prime Video and SVEDKA Vodka at Cathédrale in New York City on Thursday.
Winning at Twinning
Also at Heidi Klum's star-studded bash: David Burtka and husband Neil Patrick Harris looking unrecognizable as the Olsen Twins in layered all-black ensembles.
Halloween Home Run
Kristen Stewart sports a dead baseball player costume during a guest appearance on The Tonight Show Starring Jimmy Fallon in New York City on Thursday.
On the Nose
'NSYNC alums Lance Bass and JC Chasez celebrate in costume as Jojo Siwa and Mickey Mouse at Podwall Entertainment's 10th annual Halloween Party, presented by Maker's Mark on Thursday in West Hollywood.
Ben Affleck looks to be in good spirits as he removes a ticket from his car on Thursday in Los Angeles.
Got Your Back
Queer Eye costars Antoni Porowski and Jonathan Van Ness strike a pose during a visit to BuzzFeed's "AM to DM" on Thursday in N.Y.C.
Old School Glamour
Michael Douglas and wife Catherine Zeta-Jones nail the 'Haunted Hollywood - The Golden Age' theme at Bette Midler's annual Hulaween charity gala with their iconic movie character costumes: Douglas as Lawrence of Arabia and Zeta-Jones as Jean Harlow in Dinner at Eight on Thursday in N.Y.C.
The Emerald City
BFFs Ben Platt and Beanie Feldstein perform as the Tin Man and Dorothy from The Wizard of Oz during Bette Midler's Hulaween gala to benefit NYRP on Thursday in N.Y.C.
Julie Andrews, Jennifer Aniston and Reese Witherspoon share a laugh while filming Friday's episode of The Graham Norton Show in London.
Lizzo and Tiffany Haddish team up to keep Executive Producer Andy Lassner company through a haunted house and spooky maze at Universal Studios Halloween Horror Nights during Friday's episode of The Ellen DeGeneres Show.
On the Move
Jeff Goldblum steps out in a classic trench coat on Friday as he leaves BBC Radio 2 in London.
On the Right 'Track'
Lily Allen and boyfriend David Harbour deliver the unexpected couple's costume we didn't know we needed: Kris Jenner and Jack Nicholson's character from The Shining, as they head to Heidi Klum's Halloween Party on Thursday in N.Y.C.
Candy Over Costumes
Sarah Jessica Parker skips her iconic Hocus Pocus witch costume and hands out candy to trick-or-treaters as herself on Thursday in N.Y.C.
The Handmaid's Tale star Elisabeth Moss poses with a fan dressed in a Handmaids costume during the 22nd annual SCAD Savannah Film Festival on Thursday in Savannah, Georgia.
Naomi Watts carries her pup for a walk through N.Y.C.'s Tribeca neighborhood on Thursday.
Hailey Baldwin steps out for a coffee run in an all-black ensemble with Carvela heels on Thursday in West Hollywood.
Can't Rain on Her Parade
Hailee Steinfeld stays dry as she arrives at Build Studio on Thursday in New York City.
Reba McEntire is all smiles at the launch of her new podcast with Spotify at the Bridge Building on Tuesday in Nashville.
Stranger Things star Gaten Matarazzo stops by Build Studio to chat on Thursday in N.Y.C.
All Shook Up
Guest star Jason Momoa goes all out as Elvis Presley for Thursday's special Halloween episode of The Ellen DeGeneres Show in Burbank, California.
Matthew McConaughey shows his support for the Houston Astros during Game 7 of the World Series against the Washington Nationals on Wednesday in Houston, Texas.
Charlie Cox and Tom Hiddleston transform into Loki and Daredevil to celebrate Halloween backstage with the cast of Broadway's Betrayal on Wednesday in New York City.
Out of Office
The Office alum Jenna Fischer speaks during ONWARD19's The Future of Search conference on Wednesday at the Marriott Marquis in N.Y.C.'s Times Square.
Camila Morrone and Beanie Feldstein speak during the Breakout Awards panel at the 22nd annual SCAD Savannah Film Festival on Wednesday in Savannah, Georgia.
If You're Happy and You Know It…
Clap your hands for John Krasinski! The actor makes a guest appearance on Wednesday's episode of Late Night with Seth Meyers in N.Y.C.
On the Mic
Jack White and Alice Cooper participate in a panel discussion at the Kirk Gibson Foundation's Fundraiser for Parkinson's, hosted by Shinola Hotel, on Wednesday in Detroit.
Legs for Days
Miranda Lambert strolls hand-in-hand with husband Brendan McLoughlin outside of Madison Square Garden on Thursday in N.Y.C.
Sharon Stone and Liev Schreiber pose together at the N.Y.C. premiere of Cashmere - The Origin of a Secret with Loro Piana on Wednesday.
Step to It
Barbara Palvin struts through a crosswalk in N.Y.C.'s Midtown while out and about on Wednesday evening.
Keri Russell loads up on giant candy bags as she bikes home to prepare for trick-or-treaters on Thursday in Brooklyn.
Showing Off Her Sea Legs
Kylie Jenner looks red hot as Ariel from The Little Mermaid for a Halloween bash in Beverly Hills on Wednesday.
Chris Hemsworth gets spooky as the grim reaper while celebrating Halloween in Byron Bay, Australia on Thursday.
Jermaine Dupri and Bow Wow, dressed as The Joker, get their groove on at Bow Wow and Keri Hilson's Halloween Costume Party on Wednesday in Atlanta.
Keep the Party Rolling
DJ Khaled poses beside a cake celebrating the release of Rolling Stone's first digital cover, featuring himself and Sean 'Diddy' Combs, at Swan Miami on Monday.
Ashley Graham struts her stuff on Wednesday outside the Today show studios in N.Y.C.
Global Ambassador for Tourism Australia Chris Hemsworth sits beside Sydney Harbour to celebrate a new Tourism Australia campaign on Wednesday.
Naomi Watts pounds the pavement on Wednesday after a shopping trip in N.Y.C.
On Thursday, Sir Ian McKellen and Dame Helen Mirren pose at a photo call for The Good Liar at The Corinthia Hotel London.
Kerry Washington arrives to the Today show studios in N.Y.C. on Thursday.
Tom Hiddleston takes his dog for a walk through New York City's Central Park on Thursday.
New York Nights
A beaming Emilia Clarke steps out in New York City on Thursday night.
Evan and Ashlee Simpson Ross attend The Hennessy Black Halloween "Salon Noir" Party in L.A. on Tuesday.
Rob Lowe and his son John attend Netflix's Holiday in the Wild cast and crew screening on Tuesday at The London Hotel in West Hollywood.
Queen of the Park
Reese Witherspoon poses for a photo in N.Y.C.'s Central Park on Tuesday while out and about with her pal, Derek Blasberg (not pictured).
Jack Is Back
John Krasinski, Noomi Rapace and Michael Kelly attend the Jack Ryan season 2 premiere in N.Y.C. on Tuesday.
Kerry Washington arrives at the Broadcasting & Cable Hall of Fame Awards Anniversary gala on Tuesday at The Ziegfeld Ballroom in N.Y.C.
Kesha hosts the Jack Daniel's Tennessee Apple "Raising Hell, Raising Spirits" launch event dressed as an Octopus on Tuesday in L.A.
Former President and First Lady, Barack and Michelle Obama, close out their Obama Foundation Summit together on the campus of the Illinois Institute of Technology on Tuesday in Chicago.
Hilary Duff films with a large stuffed llama on Tuesday in N.Y.C.'s Washington Square Park.
Janelle Monáe performs at The West Hollywood EDITION preview on Tuesday in California.
Drew Barrymore and Stella McCartney strike a pose at the 4th annual WWD Honors on Tuesday in N.Y.C.
Emilia Clarke and Henry Golding share a laugh at the N.Y.C. premiere of their film, Last Christmas, on Tuesday.
Series Coming Soon
Dolly Parton and Julianne Hough enjoy each other's company at the Netflix premiere of Dolly Parton's Heartstrings on Tuesday in Pigeon Forge, Tennessee.
Mackenzie Davis and Linda Hamilton throw axes prior to the Terminator: Dark Fate screening at the ArcLight Hollywood on Tuesday in L.A.
Olivia Newton-John poses at the VIP reception for her upcoming Property of Olivia Newton-John auction event on Tuesday at Julien's Auctions in Beverly Hills.
Dad & Daughter Date
Ewan McGregor brings his daughter, Jamyan, to the premiere of Doctor Sleep in L.A. on Tuesday.
Irina Shayk poses in Verona, Italy, on Tuesday while at the White Cabaret "La Premiére" Intimissimi Show.
Emilie and Jeff Goldblum snap a selfie at a Beverly Hills party celebrating Jim Moore's new book, Hunks & Heroes: Four Decades of Fashion at GQ, co-hosted by the actor and Ralph Lauren.
Ryan Reynolds and Blake Lively beam on Tuesday while stepping out in N.Y.C. for the first time since welcoming their newest daughter.
All Dressed Up
Rosie Huntington-Whiteley and Jason Statham attend Harper's Bazaar Women of the Year Awards 2019 at Claridge's Hotel in London on Tuesday night.
Also at the event on Tuesday, Cate Blanchett and husband Andrew Upton.
Selena Gomez visits Music Choice in N.Y.C. on Tuesday.
Owen Wilson hops on his electric bicycle while out running errands on Tuesday in New York City.
Olivia Wilde arrives onstage during a Booksmart screening and Q&A during the 22nd SCAD Savannah Film Festival at Trustees Theater in Georgia on Tuesday.
What a Star
Clint Black is joined by wife Lisa and daughter Lily as he is inducted into the Music City Walk of Fame in Nashville.