Celebrities have been spotted at premieres, fashion events, charity gatherings, music performances and other public appearances in cities around the world this week.

From Christina Aguilera attending a major gala in Monaco to Selena Gomez spending time in New York City, PEOPLE’s latest collection captures some of the most notable celebrity outings from Sept. 15 through Sept. 18.

Christina Aguilera Attends Gala in Monaco

Christina Aguilera was among the stars attending the 20th Anniversary Gala for the Prince Albert II of Monaco Foundation at the Opera Garnier in Monaco on Sept. 18.

The singer dressed up for the high-profile event, which also attracted other celebrities, including Richard Gere.

Selena Gomez Steps Out in New York

Selena Gomez, PEOPLE’s latest cover star, was photographed in New York City during a busy week of public appearances.

On Sept. 18, Gomez was seen arriving at Webster Hall for a one-night gig with her husband, Benny Blanco.

She was also photographed around New York’s Tribeca neighborhood on Sept. 17, dressed in white, and was spotted around the city on Sept. 16.

Benny Blanco was separately photographed arriving at their hotel with Gomez after dinner in New York on Sept. 16.

Trudie Styler and Sting Attend Toronto Premiere

Trudie Styler and Sting enjoyed a date night at the Toronto International Film Festival on Sept. 17.

The couple attended the premiere of Up Against It in Toronto, Canada.

Cardi B Supports Charity Event

Cardi B was photographed attending a charitable event for The Hollywood Cares Foundation in Los Angeles on Sept. 18.

The appearance was among several celebrity engagements involving charitable causes during the week.

Kenny Chesney Performs in Las Vegas

Country music star Kenny Chesney took the stage at the 2026 iHeartRadio Music Festival in Las Vegas on Sept. 18.

The performance was one of the major music appearances featured in the week’s celebrity photos.

More Stars at Film and Fashion Events

H.E.R. attended a special screening of Forgotten Island in Miami on Sept. 18, while Mischa Barton attended the MBFW Madrid closing party at the Reina Sofía Museum in Spain.

At the Toronto International Film Festival on Sept. 15, Ira Sachs, Adam Arkin, Cole Sprouse and Diego Luna posed with their Creative Coalition Spotlight Awards.

Paris Jackson was also seen out and about in New York City on Sept. 17.

The All-American Rejects performed at Riot Fest in Chicago on Sept. 18.

Shakira Opens European Residency

Shakira got the crowd moving during the opening night of her 12-date European residency at Shakira Stadium in Madrid on Sept. 18.

The singer’s performance was among the week’s major entertainment events captured by photographers.

Kim Kardashian Attends SKIMS Store Opening

Kim Kardashian was photographed smiling and waving to photographers as she left the SKIMS store opening in London on Sept. 18.

She was also photographed in Paris earlier in the week, wearing a white halter dress with black sunglasses.

Prince Harry Appears at Education and Invictus Events

Prince Harry attended the launch of the Inspire Education Programme in Birmingham, England, on Sept. 18. The programme is inspired by the Invictus Games.

A day earlier, on Sept. 17, he attended the inaugural Invictus Spirit Awards at the Old Royal Naval College in London.

Meanwhile, Prince William and Kate Middleton were photographed during a visit to a community-owned pub on the Isle of Bute in Scotland.

Anne Hathaway Steps Out in New York

Pregnant Anne Hathaway was photographed wearing bright orange while out in Midtown Manhattan on Sept. 18.

She was also seen arriving for a press junket in New York on Sept. 17.

Angelina Jolie and Céline Dion Make Public Appearances

Angelina Jolie was photographed at JFK airport in New York on Sept. 17, wearing a monochromatic cream-colored outfit.

In Paris, Céline Dion was photographed interacting with fans outside Le Royal Monceau ahead of her show on Sept. 16. She was also seen showing affection to fans outside her hotel later that day.

Richard Gere Attends Monaco Gala

Richard Gere attended the 20th Anniversary Gala of the Prince Albert II of Monaco Foundation in Monaco on Sept. 18.

The actor was photographed at the Opera Garnier as part of the event.

John Legend Celebrates Music and Achievement

John Legend visited SiriusXM Studios in New York City on Sept. 18.

The following day, he accepted the Dan Doctoroff Disruptor Award at The Shed’s 2026 Gala in New York.

Other Celebrity Appearances

The week’s celebrity sightings included Stanley Tucci judging the “Best Dressed” round at the London Oyster Championships, while Nick Cannon arrived at Live Nation offices in Beverly Hills.

Josh Hartnett was photographed in SoHo, and Katie Holmes and her boyfriend, Jason Bard Yarmosky, attended an event in New York.

Joan Collins appeared at the M&S 100 Years of Fashion show during London Fashion Week.

At the Toronto International Film Festival, Mike Myers was photographed giving autographs to fans.

Naomi Watts arrived at the Maria Cristina Hotel for the 74th San Sebastian International Film Festival in Spain, while Naomi Campbell attended HeidiFest by Heidi Klum during Oktoberfest in Munich.

Wynonna Judd appeared onstage at Americanafest 2026 in Nashville wearing a Dolly Parton shirt.

Hollywood Families and Couples

Matthew McConaughey and his wife, Camila Alves McConaughey, brought their children Levi and Vida to the Brothers premiere in Los Angeles on Sept. 17.

Woody Harrelson and his wife, Laura Louie, also attended the premiere.

Holland Taylor and Sarah Paulson were photographed together at the Brothers after-party.

Kyle Richards brought her daughter Alexia Umansky to Miley Cyrus’ Bass Persuasions album release party in Los Angeles.

Coco Austin and Ice-T attended the Rookie Kids Runway on Broadway fashion show with their daughter, Chanel Nicole Marrow.

Miley Cyrus Celebrates New Album

Miley Cyrus showed off her natural curls at the Bass Persuasions album release party in Los Angeles on Sept. 17.

The event brought together several celebrities, including Kyle Richards and her daughter.

Fashion Week Brings Out the Stars

New York Fashion Week continued to attract celebrities throughout the week.

Lili Reinhart was photographed on the streets of New York in a lace look, while Jessie Murph attended the Thom Browne show in a pastel-blue outfit.

Penn Badgley and his wife, Domino Kirke, also attended the Thom Browne fashion show.

Jalen Brunson’s wife, Ali Brunson, walked at the Terez fashion show.

Bella Hadid was photographed in New York wearing a bold orange dress, tan coat, knee-high leather boots and an oversized bag.

Amandla Stenberg attended the LaQuan Smith after-party during New York Fashion Week.

More Film and Television Events

Caitriona Balfe and Daisy Edgar-Jones attended the Irish premiere of Sense & Sensibility in Dublin on Sept. 17.

Sienna Miller and Dominic West attended the world premiere of War at the Odeon Luxe Leicester Square in London.

Miller also attended the premiere with her daughter, Marlowe Sturridge.

Helen Mirren appeared at a MobLand SAG Nom Com event in New York, while Pierce Brosnan attended a related event in Los Angeles.

John Owen Lowe attended The Musical premiere in Los Angeles.

Billie Lourd attended the Netflix premiere of Monster: The Lizzie Borden Story in New York.

Music Stars and Performances

Janelle Monáe performed at the New York Times celebration marking 175 years of independent reporting in New York City.

Brandi Carlile accepted the Song of the Year award during the 25th Annual Americana Honors & Awards in Nashville.

The week’s other music-related appearances included Ringo Starr and Barbara Bach attending a screening of Twiggy in Los Angeles, while Becky G visited SiriusXM Studios in New York.

Dave Matthews also performed at a charitable event.

More Celebrity Sightings

The extensive collection of celebrity photographs also featured appearances by Lisa backstage at The Tonight Show Starring Jimmy Fallon, where Benny Blanco was also interviewed.

Kevin Hart and his wife, Eniko, celebrated his new golf-focused collaboration with Fabletics in New York.

Cole Sprouse and Miranda Kerr attended Snapchat’s Specs launch event in Los Angeles.

Kehlani and Monaleo participated in a panel at Billboard House in New York.

Jason Aldean and Brittany Kerr attended the global premiere of Heart of the Beast in Franklin, Tennessee.

Pierce Brosnan brought his wife, Keely Shaye Smith, their sons Paris and Dylan Brosnan and their dates to the premiere of Seniors during the 2026 Indiewood Film Festival.

The week also included public appearances by Snoop Dogg, Nia Long, Tony DeNiro, Jeff Goldblum, Martha Stewart, Sam Waterston, Chris Pine, Karl-Anthony Towns, Jordyn Woods, Jodie Woods, Elizabeth Woods, Pharrell Williams, Harrison Ford, Orlando Bloom and many other stars.

The celebrity photographs capture a particularly busy week of premieres, fashion events, concerts, charitable activities and public appearances across Monaco, New York, Los Angeles, London, Toronto, Paris, Madrid and other major cities.