See All the Stars at InStyle's 30th Birthday Party

The celebs really celebrated in style.

The year was 1994: The Friends pilot was premiering, the Spice Girls were, well, spicin' up the pop world, and InStyle was launching its inaugural issue with the one and only Barbra Streisand on the cover. In the iconic cover, the legendary singer posed in beige slacks, leg warmers, and a printed sweater vest (because they never go out of style).

Thirty years later, the publication has featured countless superstars, like Taylor Swift, Lady Gaga, Viola Davis, Julia Roberts, Julianne Moore, Jennifer Aniston, Quinta Brunson, and Iman, as well as powerful voices across numerous industries, like Joe Biden and Tarana Burke. With every issue, InStyle has empowered people everywhere to be their badass selves.

On September 12, 2024, the storied publication celebrated its 30th birthday with a stunning cover starring Gen Z's favorite rising pop girly Reneé Rapp and a star-studded b'day bash at the Boom Boom Room in New York City. From cover girl Rapp to Nina Dobrev, Darren Criss, Brittany Snow, Ali Krieger, Gayle King, and more, the step-and-repeat was teeming with star power. The celebs arrived in their best to commemorate the milestone with some decked out in jewels and accessories supplied by sponsors Pandora and Longchamp.

From Rapp's frill-infused menswear to Snow's ethereal sequined white gown, scroll to see the guests in their festive birthday looks.

Reneé Rapp

Our current cover girl, Reneé Rapp, wore an oversized brown suit complete with white frilled cuffs and a matching collar. As Rapp told us in her recent cover story, her style influence is none other than Justin Bieber.  “I always tell my stylist: ‘Dress me like Justin,’” she said.

Brittany Snow

Is it method dressing if you dress like your literal name? Brittany Snow dressed like an ethereal snowy angel in a form-fitting dress covered in an array of sequins.

Nina Dobrev

Nina Dobrev looked utterly chic in a maxi black shift dress with a single structural white shoulder, which she paired with drop pearl earrings and a black handbag.

Darren Criss

Darren Criss paired black trousers with a playful black shirt covered in a yellow floral print, which he wore with a few chain necklaces.

Elysée Sanvillé

Model Elysée Sanvillé made the case for the bubble skirt trend in a black and white mini diress.

Ali Krieger

Soccer star Ali Krieger repped sporty fashion, wearing an oversized red and white Diallo Mustang t-shirt paired with sparkly black pants and a pair of gold hoops.

Candace Bushnell

Sex and the City author Candace Bushnell paid homage to her heroine Carrie Bradshaw's penchant for bold fashion in a one-sleeved sparkly gold dress.

Yaya DaCosta

Actress Yaya DaCosta wore a sheer nude mesh dress with layered thick belts crisscrossing across her waist.

Britt Lower

Severance star Britt Lower had a Barbiecore-inspired menswear moment in a pale pink three-piece suit along with a silk pink top with a pussy bow.

Ella Beatty

Ella Beatty, daughter of Annette Bening and Warren Beatty and star of Feud: Capote vs. The Swans, wore a black mini dress with a bright pink floral design.

Larsen Thompson

Model and actress Larsen Thompson wore a deep purple velvet gown with a '50-inspired halter neckline and a figure-hugging ruched design.

Bianca Lawson

Actress Bianca Lawson made the case for leather in a black leather maxi skirt paired with a matching cropped leather jacket.

Naomi Watanabe

Naomi Watanabe wore a black satin cape-style dress paired with statement red ribbon earrings.

Brec Bassinger

Nickelodeon star Brec Bassinger opted for a white mini dress with a black off-the-shoulder neckline with a bow detail, which she paired with matching black pumps with small silver bows.

Gayle King

CBS News' Gayle King wore a bold leopard print maxi dress, which she paired with sandals and a straw handbag.

Sydney Cole Alexander

Severance's Sydney Cole Alexander brought the sparkle with a long-sleeved silver maxi dress.

Celeste O'Connor

Madame Web star Celeste O'Connor wore a white t-shirt-style dress with a subtle side cut-out, paired with a bright orange Le Roseau bag from Longchamp.

Coco Rocha

Canadian model Coco Rocha put a spin on balletcore in a black leotard-style long-sleeved top paired with a fuzzy black balloon skirt. She finished off the look with a sprinkling of Pandora Lab-Grown Diamonds.

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