Penelope Cruz guest stars in Sex and the City 2!

The Sex and the City 2 cast may have just gotten even hotter! A set insider tells Life & Style, 'While the regular cast filmed all day on Oct. 12 in the lobby bar of The Empire Hotel, everyone was surprised when Penelope Cruz made an appearance.'

Insiders have said that Sarah Jessica Parker's character catches Mr. Big flirting with another woman during Smith Jerrod's movie premier after party. The woman is rumored to be Penelope Cruz. A guest was heard saying, 'I think it was Penelope Cruz. She is breathtaking!'

Penelope Cruz rocks ring on engagement finger

Though Sarah Jessica Parker and Chris Noth may not be getting along on screen, they are having a great time working together on set. The insider tells Life & Style, 'You can tell that Chris Noth and Sarah Jessica Parker really like working together. She would put her hand on his shoulder a lot when she would laugh or tell a story. Like a friend you've had for years.'

Penelope Cruz visits ob-gyn with Javier Bardem!

For more on Sex and the City 2, pick up the newest issue of Life & Style.

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