Sydney Sweeney turns up the heat ahead of 29th birthday in new lingerie campaign

Sydney Sweeney is starting her birthday celebration early.

The "Euphoria" star posed in a new retro-inspired campaign for her lingerie brand, SYRN, weeks before she turns 29 on Sept.

12.

In the newly released photos , Sweeney models a powder-blue floral lingerie set inside a vintage-style kitchen.

One image shows the actress posing beside a refrigerator, while another captures her crouched in front of the open appliance holding a glass bottle of milk.

SYDNEY SWEENEY SHARES BIKINI AND UNDERWEAR PHOTOS IN INSTAGRAM DUMP FROM AUSTRALIA TRIP Sweeney completed the throwback look with voluminous blonde waves, dramatic eye makeup and coordinating blue stockings.

The campaign promotes SYRN's upcoming "Birthday Boobs" collection, set to launch Sept.

1.

"Birthday suits look a little different around here 🎂 Save the date, Birthday Boobs drops September 1st," the company wrote on Instagram.

Fans quickly reacted to the stylized campaign, with one user comparing Sweeney's appearance to artificial intelligence.

"You’d think it was an AI-generated photo, but it’s simply her in real life," the person wrote.

Another praised the collection, writing, "They make the prettiest and most comfortable bralettes.

I need this set." GET ENTERTAINMENT SCOOP DELIVERED RIGHT TO YOUR EMAIL BY CLICKING HERE The birthday-themed campaign marks the latest release from Sweeney's growing lingerie business , which the actress launched earlier this year.

"The secret is finally out… say hello to @syrn 🤍 this is lingerie you wear for YOU, no explanation, no apology," Sweeney wrote when announcing SYRN in January.