Lady Gaga arrives for a rooftop performance at Westfield London on Dec. 1, 2016.
Halle Berry attends the Revlon "Love is on" Million Dollar Challenge event in New York City on Dec. 1, 2016.
Elizabeth Hurley heads out with her son Damian Hurley in New York City on Dec. 1, 2016.
Sophie Turner attends the Women in Film and Television Awards in London on Dec. 2, 2016.
Emma Watson attends the Domino Magazine Holiday Pop Up in New York City on Dec. 1, 2016.
Karlie Kloss steps out in New York City on Dec. 1, 2016.
Paris Hilton attends Aby Rosen & Samantha Boardman-Rosen's Annual Dinner during Art Basel in Miami on Dec. 1, 2016.
Christie Brinkley takes the stage at the New York Stock Exchange Christmas Tree Lighting in New York City on Dec. 1, 2016.
Petra Nemcova attends the W X Love.Watts Present Lifewtr Artist Series during Art Basel in Miami on Dec. 1, 2016.
Elle Macpherson attends Aby Rosen & Samantha Boardman-Rosen's Annual Dinner at Art Basel in Miami on Dec. 1, 2016.
Chris Pratt attends the photocall for "Passengers" in London on Dec. 1, 2016.
Rihanna and Prince Harry attend an event in the Caribbean on Nov. 30, 2016.
Gwyneth Paltrow celebrates the Opening of Goop Gift at Farmshop in Los Angeles on Dec. 1, 2016.
Jessica Alba and Rachel Zoe attend The Zoe Report's Box of Style Winter Edition Dinner at Chateau Marmont in Los Angeles on Nov. 30, 2016.
Jennifer Lawrence attends the "Passengers" film photocall in London on Dec. 1, 2016.
Solange Knowles attends An evening of Ailey and Jazz Opening Night Gala Benefit in New York on Nov. 30, 2016.
Carmen Baldwin and Alec Baldwin attend the Rockefeller Center Christmas Tree Lighting Ceremony in New York on Nov. 30, 2016.
La La Anthony attends An evening of Ailey and Jazz Opening Night Gala Benefit in New York on Nov. 30, 2016.
Rami Malek attends the "Mr. Robot" SAG Screening in Los Angeles on Nov. 30, 2016.
David Arquette attends the SAG-AFTRA and The Elizabeth Taylor AIDS Foundation?s World AIDS Day Panel in Los Angeles on Nov. 30 2016.
Courtney Love attends the "Kansas City Choir Boy" photocall in Miami on Nov. 30, 2016.
Rose McGowan attends the SCAD at Miami Opening in Miami on Nov. 30, 2016.
Matt Czuchry attends the Esquire's Style Mavericks of The Year in New York on Nov. 30, 2016.
Kate Mara and Jamie Bell attend the "Man Down" film premiere in Los Angeles on Nov. 30, 2016.
Shia LaBeouf attends the "Man Down" film premiere in Los Angeles on Nov. 30, 2016.
Sarah McLachlan attends the Rockefeller Center Christmas Tree Lighting Ceremony in New York on Nov. 30, 2016.
Don Lemon attends the Native Son Awards at the Cadillac House in New York on Nov. 30, 2016.
Carly Rae Jepsen teams up with JCPenny and The Y in New York on Nov. 30, 2016.
Sienna Miller and Amy Adams attend a special screening and reception in celebration of "Arrival" hosted by Spike Jonze in New York on Nov. 29, 2016.
Nicole Kidman attends the Pirelli Calendar 2017 launch in Paris on Nov. 29, 2016.
Cate Blanchett attends the Opening Night of Pedro Almodovar Film Retrospective at the Museum of Modern Art in New York on Nov. 29, 2016.
Nicky Hilton Rothschild attends the Footwear News Achievement Awards in New York on Nov. 29, 2016.
Liam Payne and Cheryl attend The Fayre of St James's Church in London on Nov. 29, 2016.
Kelly Bishop, Lauren Graham, Alexis Bledel, Scott Patterson attend the "Gilmore Girls: A Year in the Life" in New York on Nov. 29, 2016.
Rihanna attends the Footwear News Achievement Awards in New York on Nov. 29, 2016.
Benedict Cumberbatch attends Porter Magazine's Incredible Women Letters Live Special Performance at the V&A Museum in London on Nov. 29, 2016.
Geoffrey Arend and Christina Hendricks attend a special screening and reception in celebration of "Arrival" hosted by Spike Jonze in New York on Nov. 29, 2016.
Elizabeth Hurley attends Porter Magazine's Incredible Women Letters Live Special Performance at the V&A Museum in London on Nov. 29, 2016.
Amy Adams and Cate Blanchett attend the 26th Annual Gotham Independent Film Awards presented by deep euphoria Calvin Klein in New York on Nov. 28, 2016.
Nicole Kidman, Uma Thurman and Helen Mirren attend the Pirelli Calendar launch photocall in Paris on Nov. 29, 2016.
Katie Holmes attends the 26th Annual Gotham Independent Film Awards presented by deep euphoria Calvin Klein in New York on Nov. 28, 2016.
Reese Witherspoon attends the DirectTV Now TV service launch in New York on Nov. 28, 2016.
Jennifer Lawrence attends the "Passengers" photocall at Hotel George V in Pars on Nov. 29, 2016.
Shakiar, Gerard Piqué and their children attend the Catalan Federation Awards Gala in Barcelona, Spain on Nov. 28, 2016.
Christie Brinkley was seen out shopping in New York City on Nov. 28, 2016.
Natalie Portman attends the 26th Annual Gotham Independent Film Awards presented by deep euphoria Calvin Klein in New York on Nov. 28, 2016.
Chris Pratt attends the "Passengers" photocall at Hotel George V in Pars on Nov. 29, 2016.
Lady Gaga arrives at Aeroport Roiss/Charles de Gaulle in Paris on November 27, 2016.
Winona Ryder and Ethan Hawke attend the screening of "Born to be Blue" in New York on Nov. 27, 2016.
Julia Roberts attends the Manchester United v West Ham United game in Manchester on Nov. 27, 2016.
Eddie Redmayne and Hannah Bagshawe attend the Hennessy Gold Cup at Newbury Racecourse on Nov. 26, 2016.
Emma Stone attends the Bulleit Bourbon Hosts a Luncheon to Celebrate "LA LA LAND" in New York on Nov. 27, 2016.
Olivia Newton-John and Santa Claus attend the 85th Annual Hollywood Christmas Parade in Hollywood, Calif., on Nov. 27, 2016.
Sarah Jessica Parker is spotted stepping out in New York City on Nov. 28, 2016.
Heidi Klum arrives on a flight at Miami International Airport in Miami, Florida on Nov. 28, 2016.
Michael Fassbender and Marion Cotillard pose during a photo call for "Assassin's Creed" in Sydney on Nov. 28, 2016.
Nicole Scherzinger steps out in London on Nov. 27, 2016.