swimwear trends

Alessandra Ambrosio's tiny yellow bikini fuels engagement rumors, but it's her ring that has everyone talking

JUNE 25, 2026 2:57 PM EDTJUN 25, 2026, 2:57 PM EDT

Alessandra Ambrosio is once again turning a simple beach day into a major moment.

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The Brazilian supermodel was photographed enjoying a sunny day on the beach in Miami, where she showed off her enviable figure in an eye-catching yellow bikini while inadvertently reigniting speculation that wedding bells could be in her future.

Alessandra Ambrosio showcased her effortless beach style with layered jewelry, aviator sunglasses, and a vibrant yellow two-piece.

Ambrosio embraced one of summer's biggest swimwear trends in an itsy-bitsy triangle bikini featuring a classic string silhouette.

The vibrant sunshine-yellow two-piece included a minimalist sliding triangle top with delicate braided black-and-yellow straps, paired with matching high-cut thong bottoms that featured the same rope-inspired side ties.

The supermodel embraced one of summer's biggest swimwear trends in a minimalist yellow string bikini with rope-inspired side ties.

The barely-there design highlighted the model's toned physique while giving the timeless bikini style a modern, elevated twist.

Keeping accessories understated, Alessandra layered two delicate necklaces, including a gold chain with a green pendant, and wore classic aviator sunglasses.

A dazzling diamond ring on Alessandra Ambrosio's left hand reignited engagement rumors with boyfriend Buck Palmer.

Her dark hair was left loose in natural, beachy waves after a swim, while stacked bracelets completed the effortless vacation look.

However, it wasn't just her swimwear that caught fans' attention.

Alessandra Ambrosio makes waves in a tiny sunshine-yellow bikini during a beach day in Miami.

The 44-year-old was photographed wearing a large gold ring with a prominent diamond on her left ring finger, immediately sparking fresh engagement rumors surrounding her relationship with Australian jewelry designer Buck Palmer.

The sighting comes after months of speculation surrounding the couple.

Alessandra Ambrosio and Buck Palmer have repeatedly fueled engagement chatter after being spotted wearing matching bands on their wedding fingers

Ambrosio and Palmer, who went Instagram official in December 2024, have repeatedly fueled engagement chatter after being spotted wearing matching bands on their wedding fingers during romantic trips to Bali, Riviera Maya, Brazil, and other destinations.

Earlier this year, the former Victoria's Secret Angel also raised eyebrows when she was seen wearing a simple gold band on the same finger, prompting similar speculation among fans.

Alessandra Ambrosio showed off her sculpted body during a massage session at Surfland — Ambrosio's latest beach appearance sparked fresh speculation that she and Buck Palmer may have taken the next step in their relationship.

Although neither Ambrosio nor Palmer has confirmed an engagement, the dazzling new ring has once again reignited rumors that the longtime couple may have taken the next step in their relationship.

If true, it would mark a new chapter for the supermodel, who shares two children with her former fiancé, businessman Jamie Mazur, and has been enjoying a romance with Palmer since late 2024.