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Alessandra Ambrosio is one hot mama!

The "Victoria's Secret" stunner showed off her all of her assets at the Vogue Carnival party on Thursday night in Sao Paulo, Brazil, flaunting her hot bod in a plunging pink Roberto Cavalli gown, complete with a sexy thigh-high slit.

The mother-of-two kept her brunette locks in a side-swept braid, weaving a chain of pretty pink flowers through her hair and completing the style with a floral crown.

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We have to admit -- Alessandra's décolletage looks a little different than she did at the amfAR Inspiration Gala back in December. Do you think she's had some work done? 

Either way, the supermodel just seems to get better with age -- so how does she maintain that enviable body?

The brunette beauty is an avid fan of Pilates, a routine that helps with flexibility, muscle strength and endurance. She also incorporates healthy juices into her diet, and has a Brazil-based fitness teacher Leandro Carvalho who focuses on her legs and buttocks.

Sign us up for this workout plan!

Click "Launch Gallery" above to see more pics of Alessandra's Vogue Carnival look.

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