Nicole Kidman is at the center of another marriage riddle - after her publicist refused to deny she is engaged.

It had been rumored the actress had got engaged to country star Keith Urban - who she is currently romancing - and was expecting his baby.

When the star's Los Angeles representative, Catherine Olim, was quizzed about the rumours, she avoided claims Nicole was pregnant - but didn't deny she had gotten engaged.

Olim says, "We're not issuing any statements about any of the recent speculation surrounding Nicole Kidman."

She adds to Britain's Grazia

When asked to comment on speculation the flame-haired actress is set to tie the knot with hunky Urban, she says, "I have nothing to say about that."

Last month the Australian couple were photographed walking hand in hand through Boston and have been seen out together on a string of romantic dinner dates. Kidman has also been seen wearing what looked like an engagement ring on her wedding finger.

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