LOS ANGELES, CALIFORNIA: Heidi Klum is 50! The renowned supermodel marked the significant milestone with a glamorous and star-studded celebration in Los Angeles. She radiated elegance in a diamond-adorned ensemble at her extravagant Gatsby-themed party, inspired by the opulence of the 1920s.

Klum captivated attention in a floor-length sheer dress, featuring a white bra and miniskirt-style panels, complemented by a stunning rhinestone design that dripped with allure. The film producer also went on a lunch date with her 33-year-old husband, Tom Kaulitz. Her birthday festivities included an array of celebrities, such as her 'America's Got Talent' fellow judges Sofia Vergara and Howie Mandel, as well as supermodel Alessandra Ambrosio.

Heidi Klum shone in a sheer diamond-adorned dress

In photos and videos of the event, Klum appeared stunning from different angles, showcasing a sheer dress with an open back. The garment was adorned with diamonds, accentuating the high neckline, long sleeves, and floor-length skirt. The former Victoria's Secret Angel wore a rhinestone bandana headpiece over her loose, wavy platinum blonde hair, which was styled with a middle part. Completing her ensemble, the businesswoman donned a cropped and fluffy white fur jacket over the glamorous flapper-inspired dress, adding a touch of allure and sparkle to her look.

Adding another element of glamor, Klum showcased a sultry smokey eyeshadow look, enhanced with a generous application of shimmering silver glitter to create a captivating light-reflecting effect. She opted for a minimalistic approach with the rest of her makeup. A touch of light pink blush added a subtle flush to her cheeks, while a flawless nude lip completed the overall understated yet elegant look.

While Klum has not yet shared photos of her extravagant celebration, some of her guests were kind enough to provide a glimpse into the festivities. Sofía Vergara, for instance, shared a selfie featuring herself and the birthday girl decked out in stunning, blinged-out ensembles reminiscent of flapper-style costumes. The AGT judges made a statement with their eye-catching headpieces, with Vergara opting for a sequined strap headband. "Feliz cumpleaños to one of my favorite people in the whole wile world!! [love] u," the 'Modern Family' star, 50, wrote in her birthday message to Klum.

Sofia Vergara wore a plunging, form-fitting gown

Vergara, known for her hourglass figure, flaunted her curves in a plunging, form-fitting gown crafted from silver mesh. Delicate gems adorned the gown, adding a touch of elegance to the ensemble. She completed her outfit with a white fur shrug featuring silver satin sleeves, perfectly complemented by a sequined headband adorning her luscious brunette curls.

For her makeup, Vergara opted for a captivating smokey brown eyeshadow look, accentuating her eyes, and a deep mauve, matte lip, enhancing her glamorous appearance. Later on, she shared snapshots showcasing her show-stopping mermaid gown, which perfectly highlighted her silhouette, along with a matching clutch, adding an extra touch of sophistication to her ensemble.