Barbara Palvin & Dylan Sprouse Hit Milan Fashion Week, Plus Lizzo, Rob Lowe & More

Barbara Palvin and Dylan Sprouse get cute on Sunday while arriving to the Hugo Boss fashion show during Milan Fashion Week in Italy.

Rob Lowe steps out in Los Angeles on Saturday among a flurry of fans.

Lizzo continues her Cuz I Love You Too tour at N.Y.C.'s Radio City Music Hall on Sunday.

Kaia Gerber snaps some photos on Saturday while out in Milan, Italy, between fashion shows.

Nikki Reed and Ian Somerhalder go black tie on Sunday for the Green Carpet Fashion Awards in Milan, Italy.

Owain Yeoman, Alexa Swinton and Ashley Aufderheide attend the premiere of ABC's Emergence with PEOPLE in N.Y.C. last week, hosted by PEOPLE Now's Jeremy Parsons.

Sailor Brinkley-Cook greets photographers on Sunday while en route to Dancing with the Stars rehearsals in L.A.

Charlie Cox, Tom Hiddleston and Zawe Ashton auction off VIP tickets to their play Betrayal for The 32nd Annual Broadway Cares/Equity Fights AIDS Flea Market at the Bernard B. Jacobs Theatre in N.Y.C. on Sunday.

BFC launches a fashion studio apprenticeship with ambassadorial president David Beckham and designers including Richard Quinn (left) at Prendergast Vale School in London on Monday.

Jude Law speaks up on Saturday at the Peace One Day 20th Anniversary Celebration in London.

Heather McMahan and Busy Philipps pose for a selfie during Bustle's 2019 Rule Breakers Festival at LeFrak Center at Lakeside in Brooklyn on Saturday.

Also at Bustle's 2019 Rule Breakers Festival in Brooklyn on Saturday, honoree Stacey Abrams.

Arnold Schwarzenegger conducts an orchestra during the Oktoberfest 2019 at Theresienwiese in Munich, Germany, on Sunday.

Sienna Miller and Iggy Pop stand out at the Gucci show during Milan Fashion Week in Italy on Sunday.

Killing Eve stars Sandra Oh and Jodie Comer share a laugh on Saturday at the BAFTA Los Angeles + BBC America TV Tea Party at the Beverly Hilton Hotel.

Andie MacDowell and daughter Margaret Qualley make it a family affair as COS and Margaret Qualley celebrate L.A. Dance Project's L.A. Dances in Los Angeles on Saturday.

Snoop grabs a spot on the field on Sunday ahead of the Los Angeles Chargers vs. Houston Texans football game in L.A.

Radio host Delilah shares a moment backstage with Elton John following his concert in Tacoma, Washington.

Bella Hadid enjoys a moment backstage at the Missoni show during Milan Fashion Week in Italy on Saturday.

Geena Davis (who played Barbara Maitland in the 1988 film Beetlejuice) and Kerry Butler (who plays Barbara Maitland in the Broadway show) pose backstage at the Broadway musical at The Winter Garden Theatre in New York City on Saturday.

Costars Stephanie Beatriz and Terry Crews attend The Creative Coalition Presents The Television Humanitarian Awards Luncheon Gala in Beverly Hills on Saturday.

Queer Eye's Antoni Porowski attends a signing event for his book Antoni in the Kitchen at Barnes & Noble at The Grove in Los Angeles on Saturday.

Gisele Bündchen joins friends at the Climate Strike in New York City on Friday.

Ginnifer Goodwin, Linda Cardellini, Joey King and Mandy Moore link up at the Glamour x Tory Burch Women to Watch Lunch in Beverly Hills on Friday.

Elizabeth Olsen and Shailene Woodley step into the sunlight at the Salvatore Ferragamo show during Milan Fashion Week in Italy on Saturday.

Swaggy Wolfdog and Camila Cabello bond at the 2019 iHeartRadio Music Festival at T-Mobile Arena in Las Vegas on Friday.

Yalitza Aparicio holds flowers and a stuffed animal after the Gender Equity Forum, which was organized by Tec de Monterrey, in Mexico City, Mexico, on Friday.

As she continues to recover from the illness that kept her off the air part of this week, Kelly Ripa goes for a walk with husband Mark Consuelos in N.Y.C. on Friday.

Jennifer Lopez wears an updated version of her iconic Grammys dress to close out the Versace runway show on Friday during Milan Fashion Week in Italy.

Also at the Versace show on Friday, Rosie Huntington-Whiteley.

A low-key Ryan Reynolds makes his way through New York City on Friday.

Cedric the Entertainer visits BuzzFeed's AM to DM on Friday in N.Y.C.

Sofia Richie attends the “A Ride Through the Ages”: Wrangler Capsule Collection Launch at Fred Segal Sunset in L.A. on Thursday.

Maria Menounos and Bachelor in Paradise's Hannah Godwin show their denim at a dinner to celebrate the launch of Kensie's "#Make Pretty Powerful" campaign featuring Godwin at Stella 34 Trattoria inside Macy's Herald Square in N.Y.C. on Thursday.

Liam Payne Celebrates his HUGO x Liam Payne collection at Bloomingdale’s Studio 59 in New York City on Thursday.

Spike Lee and Tonya Lewis Lee hit the yellow carpet at the Cincoro Tequila launch at CATCH Steak in N.Y.C. on Wednesday night.

Sterling K. Brown and wife Ryan Michelle Bathe, star of BET+'s new First Wives Club, attend the BET+ launch party at NeueHouse Los Angeles on Thursday night.

Zendaya teams up with Yoobi to donate school supplies to 450 students at her hometown elementary school in Oakland, California, on Thursday.

Chrissy Teigen, son Miles and mom Vilailuck Teigen get together on Thursday night at the Impossible Foods “Grandma’s House” retail launch party at Westfield Century City.

Renée Zellweger and Sam Smith go face-to-face on Thursday night at the Los Angeles premiere of her new film Judy.

Jerry and Jessica Seinfeld join Jessie James and Eric Decker at the Samsung Gives Annual Charity Gala at The Manhattan Center in N.Y.C. on Thursday.

Elizabeth Banks and Laura Dern celebrate on Thursday night at the Audi pre-Emmy celebration at Sunset Tower in Hollywood.

Chris Noth, Rafi Anteby and Jamie Foxx party on at The Domino Effect Pre-Awards Dinner Benefiting Hurricane Dorian Relief Efforts in the Bahamas at Alice's Inside 1 Hotel in West Hollywood on Thursday night.

Danielle Jonas joins husband Kevin in Chicago on Wednesday night to celebrate her 33rd birthday with family and friends in the private sky box at TAO Chicago.

Jessica Alba is barely recognizable in Los Angeles on Thursday while shooting scenes for her series L.A.'s Finest.

Laura Bush, designer Prabal Gurung and Barbara Bush pose for a photo during the Miron Crosby x Prabal Gurung Collection launch celebration at Rosewood Mansion on Turtle Creek in Dallas.

Director Benedict Andrews and Kristen Stewart make their way to the Seberg photo call during the 67th San Sebastian Film Festival in Spain on Friday.

Maren Morris performs her latest on Thursday during a taping of Jimmy Kimmel Live! in L.A.

Jennifer Lopez goes almost incognito in her huge hat on Thursday while out in Milan, Italy.

On Friday, Irina Shayk hits the runway at the Etro show during Milan Fashion Week in Italy.

Taraji P. Henson cuts a flawless figure in her red dress while arriving to The Late Show with Stephen Colbert in N.Y.C. on Thursday.

Former Chicago Cubs catcher and DWTS runner-up David Ross lends a hand at a diaper donation event hosted by Walgreens and Huggies at Cradles to Crayons in Chicago on Wednesday.

Kerry Washington and Gwyneth Paltrow share smiles on Thursday while hosting a live episode of the goop podcast with Banana Republic at Spring Place in Beverly Hills.

Birthday boy Jimmy Fallon keeps the beat on Thursday while out in New York City.

Brie Larson sparkles on Thursday, wearing Tiffany & Co. diamonds at the launch of the brand's upcoming exhibition at Fosun Foundation Shanghai.

A casual Kristen Stewart arrives at the Maria Cristina Hotel during the 67th San Sebastian Film Festival in Spain on Thursday.

Irina Shayk dons a peekaboo dress on Thursday for the Bottega Veneta fashion show during Milan Fashion Week in Italy.

Antonio Banderas and his castmates rehearse a number from A Chorus Line ahead of a performance in Malaga, Spain, on Thursday.

George Clooney takes pause on Thursday while speaking at a press conference in London about the ongoing crisis in South Sudan.

Reunited and it feels so good! Simon Cowell and Paula Abdul hug it out on Wednesday night at the America's Got Talent season 14 finale red carpet at the Dolby Theatre in Hollywood.

Kate Middleton gets to know a little girl at the Sunshine House Children and Young People's Health and Development Centre in London on Thursday.

Brad Pitt is the center of attention on Wednesday at a special screening of his new film Ad Astra in L.A.

Joan Smalls, Doutzen Kroes, Gigi Hadid, Candice Swanepoel, Bella Hadid and Kaia Gerber lead the charge on Thursday during the Max Mara runway show at Milan Fashion Week in Italy.

Adam Smith and Ricky Martin present Billy Porter with his birthday cake at his Marvelous 50th Birthday Party hosted by Ketel One Family Made Vodka in L.A. on Wednesday night.

Ashlee Simpson Ross comes out to support Rachel Zoe on Wednesday night at the launch of Zoe's collaboration with Pottery Barn Kids and Pottery Barn Teen at Auburn in L.A.

Sylvester Stallone attends the Rambo: Last Blood screening and fan event at AMC Lincoln Square Theater on Wednesday in N.Y.C.

Demi Moore gets all dressed up on Wednesday night for the Corporate Animals premiere at NeueHouse Los Angeles.

Katie Holmes takes her front-row seat at the Fendi show on Thursday during Milan Fashion Week in Italy.

Paul McCartney and daughters Mary and Stella join Ringo Starr and his wife Barbara Bach as the McCartney & Taschen families celebrate the launch of Linda McCartney. The Polaroid Diaries at the Victoria and Albert Museum in London on Wednesday.

Steven Tyler brings daughters Chelsea and Liv to Wednesday night's screening of Ad Astra in L.A.

Winona Ryder and Azhy Robertson hit the set of the HBO miniseries The Plot Against America in Paterson, New Jersey, on Wednesday.

Sarah Jessica Parker gets chatty on Wednesday at the #BlogHer19 Creators Summit at the Brooklyn Expo Center.