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Alessandra Ambrosio is a hottie with a sexy body ... even in a one piece! The usually bikini-glad beauty hit the beach in Malibu for a little R&R. Cute heart bathing suit!

The 30-year-old Victoria's Secret model, wearing short denim shorts, proudly displayed her muscular and toned legs while having fun in the sand with her cute little pooch.

Daughter Anja was nowhere in sight, but even supermodel moms needs some time alone. Later, Alessandra and her fiance Jamie Mazur hit up a Malibu beach party. Check them out ... after the jump.