Gwen Stefani is seen doing some shopping, Nov. 29, 2015, in Los Angeles.

Matthew Morrison and Jane Lynch attend "The #12Stinks of Christmas" video debut at Lightbox, Nov. 30, 2015, in New York City.

Tracy Morgan attends New York Knicks vs Houston Rockets game at Madison Square Garden, Nov. 29, 2015 in New York.

Ryan Seacrest is seen at LAX, Nov. 29, 2015, in Los Angeles.

Scott Disick and Kourtney Kardashian put their differences aside and get together for lunch at Marmalade Cafe on Nov. 25, 2015, in Calabasas, California.

Kate Winslet attends Longines Boutique store opening on Oxford Street, Nov. 24, 2015, in London.

Chris Evans is seen at "Jimmy Kimmel Live," Nov. 24, 2015, in Los Angeles.

Krysten Ritter is seen at "Jimmy Kimmel Live," Nov. 24, 2015, in Los Angeles.

Adele is seen on Nov. 24, 2015 in New York.

Bradley Cooper is seen on Nov. 24, 2015 in New York.

Alfonso Ribeiro and Will Smith attend the after party for a screening Of Columbia Pictures' "Concussion, " Nov. 23, 2015, in Westwood, Calif.

Karlie Kloss attends the British Fashion Awards 2015 at London Coliseum, Nov. 23, 2015, in London.

Brad Pitt and Ryan Gosling attend "The Big Short" New York Premiere at Ziegfeld Theater, Nov. 23, 2015, in New York.

Rosie Huntington Whiteley poses in the Winners Room at the British Fashion Awards 2015 at London Coliseum, Nov. 23, 2015, in London.

Kate Beckinsale attends the British Fashion Awards 2015 at London Coliseum, Nov. 23, 2015, in London.

Chelsea Handler participates in 2015 Chris Evert/Raymond James Pro-Celebrity Tennis Classic on Nov. 21, 2015 in Boca Raton, Fla.

Rita Ora attends the British Fashion Awards 2015 at London Coliseum on Nov. 23, 2015 in London.

Jena Malone visits SiriusXM Studios on Nov. 23, 2015 in New York.

Gwen Stefani arrives at the 2015 American Music Awards at Microsoft Theater, Nov. 22, 2015, in Los Angeles.

Lupita Nyong'o is seen, Nov. 22, 2015, in New York.

Actress Zendaya arrives at the 2015 American Music Awards at Microsoft Theater, Nov. 22, 2015, in Los Angeles.

Singer Selena Gomez arrives at the 2015 American Music Awards at Microsoft Theater, Nov. 22, 2015, in Los Angeles.

Singer Carrie Underwood arrives at the 2015 American Music Awards at Microsoft Theater, Nov. 22, 2015, in Los Angeles.

Keith Urban and Nicole Kidman attend the Evening Standard Theater Awards at The Old Vic Theater, Nov. 22, 2015 in London.

Emmy Rossum attends the All-Star Dog Rescue Celebration at Barker Hangar, Nov. 21, 2015 in Santa Monica, Calif.

Olivia Munn attends the All-Star Dog Rescue Celebration at Barker Hangar, Nov. 21, 2015 in Santa Monica, Calif.

Rachel Weisz arrives at the 'Youth' screening at SVA Theater, Nov. 20, 2015 in New York.

Adele is seen in Soho, Nov. 20, 2015 in New York.

Lupita Nyong'o is seen on the streets of Manhattan, Nov. 21, 2015 in New York.

Jennifer Lawrence arrives at Waverly Inn in New York City, Nov. 20, 2015.

Model Camila Alves is seen walking in Soho, Nov. 20, 2015 in New York.

Actress Pamela Anderson attends Coco Eco Magazine's Wild At Heart Issue Launch Party and PAMMIES Preview at Ron Robinson, Nov. 19, 2015, in Santa Monica, Calif.

Usher is seen, Nov. 19, 2015, in New York.

Jessica Hart, John Travolta and Kelly Preston arrive at the QANTAS 95th Birthday Gala Celebration at Hangar 96 in the Qantas Jetbase, Nov. 20, 2015, in Sydney.

Rumer Willis is seen getting big savings in the "Big Apple" with RetailMeNot, Nov. 18, 2015, in New York City.

Kourtney Kardashian is seen waiting to surprise Mason with the brand new vr view-master after school, Nov. 19, 2015, in Los Angeles.

Emily Ratajkowski manages to stay dry while looking gorgeous despite the rainy New York City weather, wearing her iconic Return to Tiffany bracelet, Nov. 19, 2015.

Jennifer Lawrence attends "The Hunger Games: Mockingjay- Part 2" New York Premiere at AMC Loews Lincoln Square 13 theater, Nov. 18, 2015, in New York City.

Hallmark Channel's "Northpole: Open for Christmas" stars Lori Loughlin, Dermot Mulroney, and Bailee Madison attend the film's premiere at The Grove in Los Angeles, Nov. 17, 2015.

Jonathan Adler launches a special collection for the Moto X Pure Edition in time for the holidays at W New York Hotel, Nov. 18, 2015, in New York City.

Isabel Celeste, left, and Rosario Dawson host Airbnbs "An Evening in Havana" celebrating the upcoming one year anniversary of restored US-Cuba relations, Nov. 17, 2015, in New York City.

Krysten Ritter and David Tennant attend the "Jessica Jones" series premiere at Regal E-Walk, Nov. 17, 2015, in New York City.

Olivia Wilde arrives to The Plaza Hotel, Nov. 17, 2015, in New York City.

Jennifer Garner attends the 3rd Annual Save The Children Illumination Gala, Nov. 17, 2015, in New York.

Stephen Moyer looks on as his wife, actress Anna Paquin, poses on the red-carpet at the premiere of Disney-Pixar's "The Good Dinosaur," Nov.17, 2015, in Hollywood, Calif.

Sarah Paulson is seen arriving at The Museum of Modern Art's 8th Annual Film Benefit honoring Cate Blanchett at The Museum of Modern Art, Nov. 17, 2015, in New York.

Emily Blunt and Benicio del Toro arrives at the Hollywood Foreign Press Association And InStyle Celebrate The 2016 Golden Globe Award Season, Nov. 17, 2015, in West Hollywood, Calif.

Actor Liam Hemsworth, actress Jennifer Lawrence and actor Josh Hutcherson attend Premiere Of Lionsgate's 'The Hunger Games Mockingjay Part 2' at Microsoft Theater, Nov. 16, 2015, in Los Angeles.

Actress Cate Blanchett attends the New York premiere of "Carol" at the Museum of Modern Art, Nov. 16, 2015 in New York.

Actress Sarah Paulson attends the New York premiere of "Carol" at the Museum of Modern Art, Nov. 16, 2015 in New York.

Actress Elizabeth Banks arrives at the premiere of Lionsgate's "The Hunger Games: Mockingjay - Part 2" at Microsoft Theater, Nov. 16, 2015 in Los Angeles.

Olivia Palermo keeps her lightened hair healthy with a custom Fusio Dose treatment from Kerastase at the Butterfly Studio Salon in New York, Nov. 8, 2015.

Mark Ballas is spotted playing the latest Nintendo 3DS game, YO-KAI WATCH, in Los Angeles, Nov. 15, 2015.

City of Hope Fitness Ambassador Alison Sweeney crosses the Arm & Hammer Truly Radiant finish line at the Walk for Hope LA, Nov. 8, 2015, in Los Angeles.

Sarah Michelle Gellar is seen doing voiceovers in LA wearing a Kohl's exclusive Rock & Republic Studded Darth Vader tee in Los Angeles, Nov. 15, 2015.

Matthew McConaughey is seen out, Nov. 16, 2015, in New York City.

Cate Blanchett is seen outside "Good Morning America," Nov. 16, 2015, in New York City.

Gwen Stefani attends the 2015 Baby2Baby Gala, Nov. 14, 2015 in Culver City, Calif.

Kerry Washington arrives at the 2015 Baby2Baby Gala, Nov. 14, 2015, in Culver City, Calif.

Jessica Biel arrives at the 2015 Baby2Baby Gala, Nov. 14, 2015, in Culver City, Calif.

Reese Witherspoon attends the 2015 Baby2Baby Gala, Nov. 14, 2015, in Culver City, Calif.

Carrie Underwood at BBC Radio, Nov. 13, 2015, in London.

Christian Bale attends the premire of "The Big Short" at the 2015 AFI Fest at TCL Chinese 6 Theatres, Nov. 12, 2015, in Hollywood, Calif.

Julia Roberts is seen at 'Jimmy Kimmel Live,' Nov. 12, 2015, in Los Angeles.

Viola Davis attends PaleyLive NY: "How To Get Away With Murder" at The Paley Center for Media, Nov. 12, 2015, in New York.

Ryan Gosling attends the closing night gala premiere of Paramount Pictures' 'The Big Short,' Nov. 12, 2015, in Hollywood, Calif.

Christina Aguilera Raises Awareness About Domestic Violence With Verizon's HopeLine Program, Nov. 12, 2015, in West Hollywood, Calif.

Olivia Wilde attends the premiere of "Love The Coopers," Nov. 12, 2015, in Los Angeles.

Heidi Klum attends the Bambi Awards 2015 at Stage Theater, Nov. 12, 2015, in Berlin.

Kourtney Kardashian posted a photo showing her support for Unilever's "Share a Meal" program.

Rob Lowe is seen enjoying a run, Nov. 11, 2015, in Los Angeles.

Singer Ciara teams up with Unilever to help "Share a Meal" to end child hunger, Nov. 11, 2015, in New York City.

Julia Roberts attends the premiere of 'Secret In Their Eyes' at the Hammer Museum, Nov. 11, 2015 in Westwood, Calif.

Khloe Kardashian attends The Hollywood Reporter's Beauty Dinner at The London West Hollywood, Nov. 11, 2015, in West Hollywood, Calif.

Keri Russell attends the Sierra Club's Act In Paris, a night of comedy and climate action, Nov. 11, 2015, in New York.