media_removed_toofab 102011
Sharon Stone
has got a hot new boy toy!

The 54-year-old "Basic Instinct" star was spotted in Venice Beach yesterday with her hands (and lips!) all over a sexy Argentinian male model.

Stone and 27-year-old Martin Mica were seen holding hands before heading to the beach for an intimate makeout session ... all while photographers snapped away.

The two were first linked last month after they were spotted together at a Vogue Brazil party in Sao Paolo.

This makes Stone a certified cougar ... and good for her, he's hot!

Check out more of the PDA-filled afternoon above.

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