Kaia Gerber Hits the Runway, Plus Behati Prinsloo, Molly Sims & More

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ALL TIED UP

Jackson Lee/Splash News

Andy Cohen is all smiles as he rings in his 50th birthday with his star-studded group of friends in New York City.

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PEACE OUT

Gina Wetzler/Redferns

Dave Grohl keeps the peace while performing during the Rock & Ring show in Berlin, Germany.

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BIRTHDAY GIRL

Michael Simon/Startraks

Maria Menounos gets playful with Julianne Hough during her 40th birthday celebration at her L.A. home. The luau-themed party, which featured Patron Silver signature cocktails, also marked one year since Menounos underwent brain surgery to remove a benign tumor. “It’s been quite the journey and my life has changed for the better,” she says. “So thankful to God and the many blessings in my life.”

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HAT'S OFF

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Helen Mirren is as classy as can be during England’s Epsom Derby on Saturday.

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SING OUT LOUD

MALTON DIBRA/EPA-EFE/REX/Shutterstock

On Sunday, Rita Ora performs in Tirana, Albania.

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MODEL BEHAVIOR

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Rosie Huntington-Whiteley arrives at the Alexander Wang Resort Fashion Show on Sunday.

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MUSIC MAN

Ilya S. Savenok/Getty

Pharrell Williams shows off his moves during day 3 of Governors Ball Music Festival.

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ROYAL ARRIVAL

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Crown Princess Victoria and Princess Sofia get glam for the wedding of Louise Gottlieb and Gustav Thott in Sweden.

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TWO TO TANGO

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Evan Ross and wife Ashlee Simpson come out for iHeartRadio’s Wango Tango in L.A. on Saturday.

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BRUSH IT OFF

Dia Dipasupil/Getty

Behati Prinsloo is prepped backstage at Alexander Wang’s Sunday show in N.Y.C.

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SOMETHING TO TELL YOU

Sergione Infuso/Corbis/Getty

On Sunday, Danielle Haim takes the stage with her sisters for a Milan show.

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DOG DAYS OF SUMMER

Jason Davis/Getty

Cassadee Pope holds a pup at the Paws & Play Music Festival in Nashville on Sunday.

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STRUT TOUGH

JP Yim/Getty

Kaia Gerber walks the runway at the New York City Alexander Wang show.

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SO FETCH

Roy Rochlin/Getty

Oustanding book of a musical winner Tina Fey poses at the Drama Desk Awards Sunday in New York City.

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HUNK OVERLOAD

Dave Benett/Getty

Channing Tatum hangs with the Magic Mike Live dancers in London on Monday.

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FUN IN THE SUN

Milla Cochran/Startraks

Molly Sims and husband Scott Stuber bring their kids Brooks, 5, and Scarlett, 3, to Pedal On The Pier in Santa Monica.

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WHITE NIGHT

Joe Schildhorn/BFA

Kelly Rutherford attends the Hamptons dinner for Alessia Antinori Saturday in Sag Harbor.

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CHAMPAGNE CELEBRATION

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Penelope Cruz epitomizes elgegance at the 11th annual Veuve Clicquot Polo Classic at Liberty State Park in Jersey City, New Jersey, on Saturday.

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SHE'S GOT JOKES!

Jeff Kravitz/FilmMagic

Tiffany Haddish performs at Clusterfest at Civic Center Plaza and the Bill Graham Civic Auditorium in San Francisco on Saturday.

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A-LIST SQUAD

Billy Farrell/BFA/REX/Shutterstock

Courteney Cox, Julia Roberts and Jennifer Aniston link up at Chanel and the Natural Resources Defense Council’s “Our Majestic Oceans” benefit dinner on Saturday in Malibu, California.

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SUNNY SATURDAY

ANGELA WEISS/AFP/Getty Images

Sienna Miller embraces the festivities at the 11th annual Veuve Clicquot Polo Classic at Liberty State Park in Jersey City, New Jersey, on Saturday.

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SHOWSTOPPER

Rich Polk/Getty Images

Janelle Monáe wows the audience at the 2018 iHeartRadio Wango Tango event by AT&T at Banc of California Stadium in Los Angeles on Saturday.

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FASHION FORWARD

Broadimage/REX/Shutterstock

Gigi Hadid shows off a bold look during a photoshoot in New York City on Thursday.

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GANG'S ALL HERE!

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Unbreakable Kimmy Schmidt stars Jane Krakowski, Tituss Burgess, Ellie Kemper and Carol Kane unite at an event for their show in Los Angeles on Friday.

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THIS SICK BEAT

John Shearer/TAS18/Getty Images

Taylor Swift belts during her Reputation Stadium Tour stop in Chicago on Friday.

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NAILING IT

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Yara Shahidi shows off her Essie manicure to mark National Nail Polish Day in Chicago on Friday.

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STRIKE A POSE

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January Jones appears at Step Up’s 14th Annual Inspiration Awards at the Beverly Wilshire Four Seasons Hotel in Beverly Hills, California, on Friday.

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PEACE AND LOVE

BACKGRID

Paris Jackson goofs off for the camera in between poses while on the set of a fashion shoot in Venice, Italy, on Friday.

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ON TOP OF THE WORLD

Splash News

Andy Cohen strikes a pose on top of N.Y.C.’s Empire State Building on Friday, lighting the building in orange in honor of the National Gun Violence Awareness Day and the Wear Orange campaign.

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SWEET TREAT

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Yara Shahidi enjoys some cupcakes before getting her nails done by Essie in Chicago in celebration of National Nail Polish Day on Friday.

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SMILE MAKER

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On Friday, Paul Rudd plays with a patient at Children’s Mercy Hospital in Kansas City.

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THEATER FANATICS

Jemal Countess/Getty

Paris Nix, Nicholas Ryan, Melissa Benoist, Sidney DuPont and Douglas Lyons gather at The Broadway League’s Stars in the Alley in N.Y.C. on Friday.

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ON MY OWN

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Carey Mulligan poses at a New York City photo call for her one-woman play Girls & Boys.

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SHRUG IN STYLE

Tim P. Whitby/Getty

Ethan Hawke arrives at the premiere of First Reformed in London on Friday.

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MINI-ME

Richard Shotwell/Invision/AP/Shutterstock

Jennie Garth and daughter Fiona enjoy some mother-daughter bonding time at the Inspiration Awards benefiting Step Up on Friday in Beverly Hills.

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AMERICAN WOMAN

Roy Rochlin/Getty

Halsey takes the Good Morning America stage Friday in New York City’s Central Park.

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BEACH, PLEASE

Splash News

Dancing with the Stars pro Sharna Burgess enjoys some rest and relaxation on the beach in Miami on Friday.

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READ 'EM AND WEEP

Ray Tang/LNP/REX/Shutterstock

Chelsea Clinton speaks about her new children’s book, She Persisted Around the World, at the Stoke Newington Literary Festival in London on Friday.

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More

Kaia Gerber Hits the Runway, Plus Behati Prinsloo, Molly Sims & More

1 of 127

ALL TIED UP

1 of 127

2 of 127

PEACE OUT

2 of 127

3 of 127

BIRTHDAY GIRL

3 of 127

4 of 127

HAT'S OFF

4 of 127

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SING OUT LOUD

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6 of 127

MODEL BEHAVIOR

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MUSIC MAN

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8 of 127

ROYAL ARRIVAL

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9 of 127

TWO TO TANGO

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10 of 127

BRUSH IT OFF

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11 of 127

SOMETHING TO TELL YOU

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DOG DAYS OF SUMMER

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STRUT TOUGH

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SO FETCH

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HUNK OVERLOAD

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FUN IN THE SUN

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WHITE NIGHT

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CHAMPAGNE CELEBRATION

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SHE'S GOT JOKES!

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A-LIST SQUAD

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SUNNY SATURDAY

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SHOWSTOPPER

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FASHION FORWARD

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GANG'S ALL HERE!

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THIS SICK BEAT

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NAILING IT