09/11/2009 at 04:30 PM EDT
For several weeks, tabloids and the blogosphere have been abuzz with speculation that Penélope Cruz
is pregnant with boyfriend Javier Bardem's baby, sparked by photos of the Spanish beauty sporting what some have described as a baby bump.
And the Oscar-winning actress is not happy about it.
On the red carpet of Thursday night's Toronto International Film Festival premiere of Cruz's new film, Broken Embraces
, she let her annoyance show. A witness tells PEOPLE that when a TV crew brought up the topic, a clearly irked Cruz, 35, snapped, "That's your question?!" – and promptly stomped away.
Cruz was more forthcoming with USA Today
"I start getting some presents from friends saying, 'Congratulations, you're pregnant.' And I say, 'No, I'm not, so return the presents,'" she told the newspaper. "It's amazing."