Alessandra Ambrosio Hot Body Lifesaver

8/9/2011 7:00 AM PDT

Alessandra Ambrosio Bikini PHOTO -- Hot Body Lifesaver

Supermodel Alessandra Ambrosio stripped off her pesky life vest to reveal her sexy, taut bikini body in Maui on Monday.

With her smokin' hot physique, the 30-year-old can resuscitate anyone.