Sydney Sweeney is celebrating her birthday month in unmistakably glamorous fashion.
Ahead of her 29th birthday on September 12, the actress and Syrn founder has unveiled a new vintage-inspired campaign video that puts a playful, seductive spin on one of the sweetest traditions of the year: baking a birthday cake.
The approximately 90-second video sees Sweeney transforming an ordinary kitchen into a stylish retro fantasy as she prepares a collection of cakes while modeling pieces from Syrn’s upcoming lingerie collection. The campaign arrives as the actress builds anticipation for the brand’s newest release, appropriately titled the “Birthday Boobs” collection.
“Celebrate my birthday month with my newest @syrn collection 🎂,” Sweeney wrote while teasing the upcoming launch on Instagram.
The new campaign embraces a distinctly vintage aesthetic, combining classic kitchen imagery with glamorous lingerie styling. Throughout the video, Sweeney is seen wearing delicate bras, garters and other pieces from the collection while preparing ingredients, arranging desserts and setting the table for an extravagant birthday celebration.
Rather than presenting a traditional fashion campaign, the video plays like a stylized short film. The retro-inspired setting, carefully arranged cakes and playful props give the project a nostalgic atmosphere while allowing the new collection to take center stage.
Sweeney can be seen moving around the kitchen as she prepares the ingredients and puts the finishing touches on several small cakes. The campaign becomes increasingly theatrical as the desserts begin to fill the table, creating a colorful and elaborate birthday scene.
At one point, the actress playfully crawls across the table while sampling some of the confectionery creations. Eventually, the visual spectacle builds toward a dramatic centerpiece: an impressive three-layer birthday cake that becomes the focal point of the celebration.
The final result is a campaign designed to be both glamorous and playful, blending fashion, nostalgia and humor with Sweeney’s signature ability to command attention on camera.
The “Birthday Boobs” collection is scheduled to launch on September 1, arriving less than two weeks before Sweeney celebrates her actual birthday on September 12.
According to information released by the brand, the collection was inspired by Sweeney’s own personal interpretation of romance. That concept appears throughout the campaign, which uses classic symbols of celebration and femininity—including cakes, balloons and a retro kitchen—to create an exaggerated birthday fantasy.
Additional campaign imagery reportedly expands on the same 1970s-inspired visual world. In the photos, Sweeney models different lingerie sets while surrounded by vintage kitchen objects and playful props.
Milk bottles, rolling pins and balloons are incorporated into the imagery, helping establish the nostalgic atmosphere that runs throughout the entire collection. The creative direction appears to intentionally blur the line between a traditional domestic setting and a high-fashion editorial shoot.
The campaign also demonstrates how celebrity-driven brands are increasingly relying on cinematic storytelling rather than conventional product photography. Instead of simply posing in front of a neutral backdrop, Sweeney and her team have created a complete visual world around the new collection.
That approach gives the launch a personality of its own.
The birthday theme is especially fitting considering the timing. September represents both the arrival of the new Syrn collection and Sweeney’s personal birthday month, allowing the actress to connect the campaign directly to her own celebration.
By turning her upcoming birthday into the inspiration for an entire fashion launch, Sweeney has created a campaign that feels personal while still functioning as a major promotional moment for the brand.
The name “Birthday Boobs” also reflects the playful and deliberately provocative tone of the project. From the title to the vintage-inspired video, the campaign doesn’t appear interested in subtlety. Instead, it embraces an exaggerated sense of fun and glamour.
Sweeney has become one of the entertainment industry’s most recognizable stars in recent years, and her growing involvement in fashion and business has created new opportunities for her to expand beyond acting.
Her latest campaign with Syrn places her at the center of the creative concept, allowing her to combine her celebrity image with a highly stylized fashion presentation.
The baking video is already generating attention because of its unusual concept and bold visuals. A birthday cake campaign might normally focus on sweetness and celebration, but Sweeney’s version adds a glamorous and theatrical twist.
With its retro styling, elaborate desserts and lingerie looks, the campaign feels closer to a vintage-inspired fantasy than a typical birthday party.
And with the collection launching on September 1, fans won’t have to wait long to see what else Syrn has planned for the birthday-themed release.
For Sweeney, however, the campaign is only the beginning of a month-long celebration.
Her actual birthday arrives on September 12—giving the actress plenty of time to enjoy the cakes, balloons and glamorous fashion that have already helped kick off the festivities.
One thing is certain: Sydney Sweeney knows how to make a birthday celebration memorable. And if this new Syrn campaign is any indication, her 29th year is starting with plenty of sweetness, style and unmistakable star power.
