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Kristin Cavallari walks the runway at Diesel swimwear show (Photo)

Personality Kristin Cavallari walks the runway as NFL PLayers Chad Ochocinco, Jay Cutler and rapper Theophilus London attend the Diesel show during Mercedes-Benz Fashion Week Swim at Raleigh Hotel on July 14, 2011, in Miami Beach, Fla. Getty

(CBS) Kristin Cavallari walked the runway at the Diesel swimwear show in Miami - while her fiance, Chicago Bears quarterback Jay Cutler, looked on from the audience.

The former "The Hills" star sported a blue swimsuit decorated with glass for the fashion show on Thursday.

Pictures: Kristin Cavallari
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Cutler was photographed watching her from the front row, sitting alongside fellow NFL player Chad Ochocinco and rapper Theophilus London.

The show was sponsored by Skyy Vodka, according to Fashionista - hence the shards of blue glass accenting the TV personality's swimsuit.

Cavallari and Cutler announced their engagement in April.

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