Demi Moore Pops Up in Paris, Plus Simon Baker, Nicky Hilton Rothschild and Her Daughters and More

Demi Moore makes her way to the Dior fashion show in Paris on Tuesday.

Simon Baker gets suited up for the High Ground premiere during the 70th Berlinale International Film Festival at Friedrichstadt-Palast on Sunday in Berlin.

Nicky Hilton Rothschild brings daughters Lily-Grace and Teddy to the LOL Surprise! Lights event on Monday in N.Y.C.

Naomi Watts is all smiles while celebrating pal Athena Calderone's Live Beautiful book launch dinner, sponsored by Robert Mondavi Winery, in Brooklyn on Monday.

Danielle Jonas cuddles up to daughters Alena and Valentina at the LOL Surprise! Lights event on Monday in N.Y.C.

Kendall Jenner brings an adorable puppy pal along to run errands in New York City on Monday.

Elisabeth Moss and Storm Reid coordinate in their regal purple hues on Monday at the premiere of The Invisible Man at TCL Chinese Theatre in Hollywood.

Naomi Campbell owns the runway on Monday during the Kenneth Ize show at Paris Fashion Week.

Gigi Hadid leaves her hotel in a coordinated jacket and pants as she heads to the Dior fashion show on Tuesday in Paris.

Leon Robinson and Dermot Mulroney stop for a snap at an afterparty celebrating the Cinema Society and Monkey 47 screening of Sony Pictures Classics' Greed on Monday at The Fleur Room in N.Y.C.

Hailee Steinfeld blows kisses to fans as she leaves The Late Show with Stephen Colbert on Monday in N.Y.C.

Kate Bosworth and husband Michael Polish arrive hand-in-hand at Charles de Gaulle airport in Paris on Tuesday.

Kristen Bell sits down for a chat for an upcoming episode of The Ellen DeGeneres Show in Burbank, California.

BTS takes over Grand Central Terminal on Monday in N.Y.C. to perform as part of their appearance on The Tonight Show Starring Jimmy Fallon.

Host Jimmy Fallon delivers his Tonight Show monologue on the N.Y.C. subway on Monday.

Brook Shields and Martha Stewart get together at a dinner to launch the Cantinetta Antinori pop-up at Tutto il Giorno in New York City on Monday.

All the Bright Places costars Elle Fanning and Justice Smith hit the Netflix film's special screening together at ArcLight Hollywood on Monday.

Adam DeVine and fiancée Chloe Bridges sit courtside as the Los Angeles Clippers take on the Memphis Grizzlies on Monday at Staples Center in L.A.

Chloë Sevigny and boyfriend Sinisa Mackovic walk through N.Y.C.'s SoHo neighborhood on Monday.

David Draiman and Ozzy Osbourne pose backstage during iHeartRadio Icons with Ozzy Osbourne: In Celebration of Ordinary Man at the iHeartRadio Theater on Monday in Burbank, California.

Sofia Richie coordinates her Rolla's jeans with a leather top and a white wool coat to wear to the Mix No. 6 x Sophia Designer Shoe Warehouse meeting on Monday in N.Y.C.

Iggy Pop and Debbie Harry sign shirts at the I Need More Presents Footprints in February on Monday in N.Y.C.

Patrick Schwarzenegger attends the High-Performance Lifestyle Training (HPLT) Speakers Summit with Ketel One Botanical, Hemp Hydrate and Vital Proteins on Saturday in L.A.

Emmy Rossum gets into character on Monday while filming scenes for her Peacock limited series about Los Angeles icon Angelyne in L.A.

Another day, another stylish ensemble for Janelle Monáe, who heads to Paris for the opening of L'Exhibition[iste] by Christian Louboutin as part of Paris Fashion Week on Monday.

Also at the Louboutin exhibition opening in Paris on Monday night, Karlie Kloss.

Tyra Banks and Nia Long visit SiriusXM Studios in New York City on Monday.

Hailey Bieber steps out for a cool drink on Monday in Los Angeles.

Sam Riley and Rosamund Pike attend the Radioactive premiere at UGC Danton in Paris on Monday night.

Bella Hadid sends a message on Monday while leaving her Paris hotel.

Pregnant Jenna Dewan shares a laugh with her newly minted fiancé Steve Kazee on Sunday in L.A.

Tyra Banks wears a white plaid suit and beret on her way to Good Morning America on Monday in N.Y.C.

David Burtka and Neil Patrick Harris show off their cooking skills at Goya Foods' Grand Tasting Village, sponsored by Sub-Zero Group Southeast, at the South Beach Wine and Food Festival on Sunday in Miami.

The Wade family laughs on the sidelines during a game between Miami Heat and Cleveland Cavaliers on Saturday in Miami, where Wade's Heat jersey was retired before the match.

Reese Witherspoon attempts to go incognito while on a run in L.A. on Saturday.

Orlando Bloom adorably matches with his puppy at the BOSS fashion show in Milan, Italy, on Sunday.

Jamie Foxx poses with his Excellence in the Arts award alongside Deon Cole, Leonardo DiCaprio, Jeff Frida and Suzanne de Passe during the American Black Film Festival Honors Awards Ceremony at The Beverly Hilton Hotel on Sunday in Beverly Hills.

Tiffany Haddish supports Cynthia Erivo, who was honored with the Rising Star award during the American Black Film Festival Honors Awards Ceremony, at The Beverly Hilton Hotel on Sunday in Beverly Hills.

Trevor Noah sits down with Ellen DeGeneres on The Ellen DeGeneres Show in L.A. on Monday.

Dana White and Mark Wahlberg root for the Boston Celtics at their game against the Los Angeles Lakers on Sunday at the Staples Center in L.A.

Bella and Gigi Hadid hang out with Angela Missoni backstage at the Missoni show in Milan, Italy, on Saturday.

Laverne Cox and Laura Harrier pose inside San Vicente Bungalows on Sunday in L.A. as they attend the Hollywood screening.

Harry Hamlin, Lisa Rinna and Rumer Willis gather for a group shot at the TV miniseries Hollywood screening at San Vicente Bungalows on Sunday in L.A.

Series star Maude Apatow brings dad Judd to the Netflix Hollywood Tastemaker event at San Vicente Bungalows on Sunday in L.A.

DJ Khaled poses in between former Breaking Bad stars Bryan Cranston and Aaron Paul on Saturday in Miami.

Alessandra Ambrósio sparkles as she enjoys Rio Carnival at the Sambadrome Marquês de Sapucai in Rio de Janeiro, Brazil, on Sunday.

Denzel Washington and Chase Young exchange hellos before a basketball game between the Los Angeles Lakers and Boston Celtics in L.A. on Sunday.

Gerard Butler gives two thumbs up at the Cinema for Peace gala during the 70th Berlinale International Film Festival at the Westhafen Event & Convention Center on Sunday in Berlin, Germany.

Hilary Clinton greets fans as she arrives on the red carpet for the premiere of the film Hillary on Monday at the 70th Berlinale International Film Festival in Berlin.

YouTube star Tana Mongeau wears an outfit that looks straight out of Clueless while at Vidcon in London on Sunday.

Tom Schwartz gets behind the bar to join PATRÓN Tequila in celebrating National Margarita Day at Ghost Donkey in N.Y.C. on Saturday.

Christina Anstead brings kids Taylor and Brayden to the Monster Jam Celebrity Event at Angel Stadium in Anaheim, California, on Sunday.

Aasif Mandvi and Kal Penn grab their seats as Disney Junior and the Indo-American Arts Council host a special advance screening of the upcoming animated series Mira, Royal Detective at the Cinépolis Chelsea Theater in New York City on Saturday.

Chris Pratt has a silly moment at the world premiere of Disney and Pixar's Onward in L.A.

Lucy Boynton and Rami Malek attend the San Jose Sharks vs. New York Rangers hockey game at Madison Square Garden in New York City on Saturday.

Jessica Simpson gets ready to speak at the Create & Cultivate seminar presented by Mastercard in Los Angeles on Saturday.

Also at Create & Cultivate presented by Mastercard over the weekend, The Honest Company's Jessica Alba.

Rihanna, Janelle Monáe and Lizzo smile for a photo op during the 51st NAACP Image Awards at the Pasadena Civic Auditorium on Saturday.

Yara Shahidi and Tracee Ellis Ross pose for a selfie on Saturday at the 51st NAACP Image Awards in Pasadena, California.

Winston Duke hangs backstage with Jamie Foxx and Dave Bautista during the 51st NAACP Image Awards at the Pasadena Civic Auditorium on Saturday.

On Friday, Carrie Underwood takes part in an interview for the 'Find Your Path' Country Radio Seminar in Nashville.

Kendall Jenner, Gigi Hadid and Bella Hadid leave the Versace show after walking the runway during Milan Fashion Week in Italy on Friday.

Camila Mendes sitsefront row at the Salvatore Ferragamo show during Milan Fashion Week in Italy on Saturday.

Imogen Poots and Jesse Eisenberg attend a photo call for their film Vivarium in London on Friday.

Brad Pitt brightens up the day on Friday while making his way to a meeting in L.A.

H.E.R. arrives to a meet and greet at Nordstrom at The Grove in Los Angeles on Thursday to debut the H.E.R. x DIFF sunglass collection.

Emily Ratajkowski stands out from the crowd on Friday while arriving to the Versace show during Milan Fashion Week in Italy.

Al Pacino and Willie Geist cruise around L.A. while shooting an interview airing on Sunday TODAY with Willie Geist this weekend.

Riz Ahmed greets photographers on Friday at a photo call for his new film Mogul Mowgli at the 70th Berlinale International Film Festival in Berlin, Germany.

Minhyuk, Kihyun, I.M, Hyungwon and Shownu of Monsta X visit Music Choice in New York City on Friday.

Johnny Depp steps back into the spotlight on Friday at a special gala for his film Minamata at the 70th Berlinale International Film Festival in Berlin, Germany.

Stassi Schroeder hosts the world's first California Based Dairy (CBD) Dispensary with Real California Milk in L.A. on Friday.