Hailey Bieber nearly spills out of daringly low-cut dress in Miami

sent temperatures soaring during Miami's Formula 1 weekend in a daring gold dress before changing into a skimpy bikini.

The model, 28, sizzled in a low-cut vintage 2004 Dolce & Gabbana dress that featured a plunge all the way to her waist during an event for her Rhode Beauty brand.

The mom of 10-month-old son Jack Blues, whom she shares with husband , 30, shared a group of photos from her trip on Instagram.

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