The 41-year-old actress-turned-reality TV star took part in a Caribbean beach ceremony with younger Italian lover Mattia Dessi earlier this month.
But the nuptials can't count as a legal marriage - because Nielsen was still tied to racing driver Raoul Meyer, who she wed in 1993.
The Dane's spokesperson confirms, "Her divorce was only finalized a few days Ago--she'll be free to marry again soon.
"The 'wedding' was just a but of fun, it wasn't official. She might get married again in the future. Who knows? After five tries, maybe it's not a good idea."
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