The last time we saw Jenna Jameson, she was rocking the P!nk/Miley Cyrus cut -- but this weekend she stepped out with a brand new look.

She's gone green!

The porn star had an early birthday party celebration at the Crazy Horse III gentlemen's club in Las Vegas on Saturday night, where she stepped out sporting green hair and a skin-tight black and white body suit with some very revealing cutouts.

It was definitely an interesting look for the ever-evolving star.

Her hubby Tito Ortiz wasn't present for the bash ... but, apparently, the two already celebrated her b-day with their twins at home.

"Tito always makes my birthday special," she said at the event, adding that he gave her a four carat ring for an early gift. "The ring is beautiful, but the best birthday gift is having a partner who wants to show how much he appreciates me taking care of our family."

Check out all the party pics above. What do you think of Jenna's new look?

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