Kate Upton wows as she goes braless in slinky blue backless dress on red carpet for Sports Illustrated bash in Florida

KATE Upton is a rhapsody in blue as she steals the ­limelight at a red carpet event in Florida.

The model-turned-actress, 31, wore a slinky backless dress at the Sports Illustrated Swimsuit Island bash to mark the magazine’s 60th anniversary.

GettyKate Upton stunned in this blue number at a red carpet event in Florida[/caption] SplashKate was all smiles as she attended the Sports Illustrated Swimsuit Island bash[/caption]

And Kate was joined by the original Uptown Girl...