Sean Penn Makes Out with Actress on Madrid Street

PACKIN' ON THE PDA

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Sean Penn 's not afraid of a little public PDA ... locking lips with his lady love on the sidewalk while looking head over heels in Spain.

The actor painted Madrid rojo this week ... enjoying a fun night filled with dinner, handholding and more than a few passionate kisses -- keeping the party going until the earlier morning hours, we're told.

We're also told he was hanging out with Valeria Nicov -- a Moldovan actress with credits in a few minor projects ... who couldn't help but snuggle up next to the star on the street.

Of course, Penn's back on the dating scene a couple years after his marriage to Australian actress Leila George fizzled out back in 2022 .

He's since been a free agent in the dating pool ... hanging out with Olga Korotyayeva , Nathalie Kelley , and a ton of other ladies in recent years .

Back in June, SP told the New York Times he's "thrilled every day" to be single ... saying he wants to maintain freedom in his relationships -- and, he can't imagine romance ever wrecking his heart again.

So, unlikely he and Valeria are going official anytime soon -- but, we wouldn't be surprised to see more steamy make-out sessions like this one!