Billie Eilish Returns to the Stage, Plus Taron Egerton, Hailey Baldwin & Sara Sampaio and More

Billie Eilish performs onstage during the 2021 iHeartRadio ALTer EGO Presented by Capital One stream in L.A. on Thursday.

Taron Egerton films scenes for his upcoming movie Tetris in Glasgow, Scotland, on Friday.

Hailey Bieber and model pal Sara Sampaio go shopping together in West Hollywood on Thursday.

Kaia Gerber leaves a Pilates class in Los Angeles on Thursday.

Kit Harington makes his way to a London grocery store on Thursday.

A glowing Hilary Duff hits the New York City set of Younger on Thursday.

Kurt Russell takes a spin in Brentwood, California, on Thursday.

Eiza González keeps it moving on the Los Angeles set of Ambulance on Thursday.

Another day, another outing for mom-to-be Emily Ratajkowski, who makes her way around N.Y.C. on Wednesday.

Amanda Bynes and fiancé Paul Michael keep it light on Tuesday for a coffee walk in Calabasas, California. 

Kate Moss and daughter Lila Grace showcase British designer Kim Jones' looks during Fendi's spring/summer 2021 presentation at Paris Haute Couture Fashion Week on Wednesday.

Jason Segel takes a solo stroll on Wednesday in Los Angeles.

Supermodels Christy Turlington and Naomi Campbell reunite after the Fendi show during Paris Fashion Week on Wednesday in Paris.

Taron Egerton is seen in character filming his new movie Tetris on Wednesday in Glasgow, Scotland.

Bachelor Matt James dons his shades while out to lunch with a friend on Sunday in Florida.

John Cena flashes a peace sign on the set of The Peacemaker on Tuesday in Vancouver.

Bella Hadid steps out in a brown blazer and matching trousers to pick up food from a restaurant in Paris on Tuesday.

Angela Bassett gears up on set of Rescue 9-1-1 in L.A. on Tuesday.

Tessa Thompson looks chic in jeans and a blazer as she stops at a pharmacy in Bondi Beach, Australia on Wednesday. 

Rosalía wears an oversize coat while out and about in N.Y.C. on Tuesday. 

Derek Hough and Hayley Erbert stop for smoothies at Joe & the Juice on Tuesday in West Hollywood. 

Bella Hadid matches her outfit to her mask in Paris on Tuesday. 

Hailey Bieber walks out of a meeting in a long trench coat and a matching mask on Tuesday in L.A.

Zoey Deutch goes for a hike in Los Angeles on Wednesday in a bright Old Navy sport top and leggings. 

Parents-to-be Henry Golding and Liv Lo go grocery shopping at Ralph's after enjoying a hike with friends in L.A. on Monday.

Sienna Miller is seen walking her dogs outside of Daylesford Organic farm shop on Tuesday in London.

Mariska Hargitay and Christopher Meloni reunite on the set of Law and Order: SVU on Monday in N.Y.C.

Michelle Williams steps out in a tan winter coat and white trousers as she chats on the phone while walking through N.Y.C. on Sunday.

Hilary Duff is seen filming a scene from Younger on Monday in midtown Manhattan. 

Liev Schreiber and Matilda De Angelis film on the set of Across the River and into the Trees on Sunday in Venice Italy.

Demi Moore and daughter Scout Willis leave their hotel in Paris on Tuesday during Haute Couture Paris Fashion Week.

Gavin Rossdale heads to the park with his dog Chewy on Sunday in L.A.

Lucy Hale grabs her lunch to go at Dialog on Monday in West Hollywood.

Euphoria star Hunter Schafer steps out in all black and a neon green mask on Monday in N.Y.C.

Chris Pratt smiles wide on Monday during a game of golf in Sydney, Australia.

Norman Reedus and Diane Kruger fly under the radar during a walk through N.Y.C. on Sunday.

Jennifer Lopez shows off her toned arms following a weekend workout in Miami.

Kaia Gerber goes casual on Sunday while out in West Hollywood.

Katie Holmes and Emilio Vitolo Jr. walk arm-in-arm through N.Y.C. on Sunday.

Million Dollar Listing's Fredrik Eklund talks on his phone during a stroll in Miami over the weekend.

Jennifer Garner was spotted picking up coffee with a friend and wearing a bright yellow rain jacket in Brentwood, California.

Sarah Jessica Parker helped shoppers at the SJP by Sarah Jessica Parker store in New York City.

Hugh Jackman was seen wearing a face mask and walking his dogs in New York City.

Pregnant Katharine McPhee was seen shopping with her mother in Beverly Hills, California.

Arnold Schwarzenegger was spotted enjoying a bike ride in Los Angeles.

Keanu Reeves was spotted going for a ride on his motorcycle in Los Angeles.

Cardi B wore an eye-catching outfit by Pierre-Louis Auvray in Beverly Hills, California, during a shopping outing with husband Offset.

Heidi Klum posed at the About You Fashion Week in Berlin.

Susan Sarandon and Jessica Lange were spotted walking together in New York.

Bob Odenkirk and his wife Naomi were spotted taking their two dogs out for a walk in Los Angeles.

Naomi Watts and her pup make an adorable pair in New York City on Friday.

Alessandra Ambrósio continues her visit to Brazil on Friday with a trip to the beach in Florianópolis.

Expectant Hilary Duff heads to the New York City set of Younger on Friday.

Michael B. Jordan and Lori Harvey depart St. Bart's on Thursday after wrapping up their tropical vacation.

Jodie Turner-Smith looks ready for warmer days on Thursday while out in New York City.

Forest Whitaker gets into character on Thursday on the New York City set of Godfather of Harlem.

Maggie Gyllenhaal stays toasty under her warm layers (and with a hot drink) on Thursday in N.Y.C.

Camila Cabello takes a call during a solo walk in Miami on Thursday.

Scout Willis fills her cart during a Thursday trip to Home Depot in L.A. on Thursday.

Selma Blair looks ready to ride while out grabbing coffee in L.A. on Thursday.

Rihanna shows off her supercool street style while en route to dinner with boyfriend A$AP Rocky and friends (not pictured) in New York City on Wednesday night.

John Legend, Chrissy Teigen and her mom Vilailuck stop for some Biden/Harris merch on Wednesday while in Washington, D.C., for the inauguration of President Joe Biden. 

Hilary Duff is all dressed up, hiding her baby bump with a large clutch on the set of Younger in New York City on Wednesday.

Elsa Pataky flies solo on Wednesday in Sydney, Australia. 

Justin Theroux and dog Kuma keep it moving on Wednesday in N.Y.C.

Sarah Hyland and Wells Adams hold hands on a Tuesday walk through West Hollywood.

Ryan Reynolds hits the Vancouver, Canada, set of his new film, The Adam Project, on Tuesday.

Ahead of her inauguration performance, Jennifer Lopez visits the United States Capitol building in Washington, D.C., on Tuesday.

Joey Fatone celebrates National Popcorn Day on Tuesday at Sugar Factory Orlando with a tasty treat featuring Candy Pop and Cookie Pop popcorn made with Oreo cookie pieces.

Lily Collins arrives at a friend's house to say a quick hello in Los Angeles on Tuesday.